CVE-2025-40540Patch(solarwinds / serv-u)

LOWCVSS 7.2 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Patch solarwinds serv-u systems immediately

Recommended action window: Monitor and triage in normal cycle

NVD description

A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arbitrary native code as privileged account. This issue requires administrative privileges to abuse. On Windows deployments, the risk is scored as a medium because services frequently run under less-privileged service accounts by default.

solarwinds CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

Weakness type (CWE)

CWE-704

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

DECLINING

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

serv-u

Threat summary

Patch or workaround signal is available
15 mentions across 6 observed days
Momentum state: declining

What's happening

Patch or workaround mentioned in 7 signals
Technical details provided in 12 signals
Disclosure: 5 classified signals
General: 4 classified signals
Peaked 4d ago at 5 mentions (2026-02-25); latest day: 1
15 total mentions across 6 days

Affected systems

Vendors

solarwinds

Products

serv-u

Deep dive

Activity timeline15 mentions / 6d

Signal classification3 categories

Patch

640.0%

Disclosure

533.3%

General

426.7%

Referenced assets17 URLs

By indicator

Classification over time

Date	Total	Labels

2026-02-24	4	Disclosure3General1
2026-02-25	5	Disclosure1General1Patch3
2026-02-26	3	General1Patch2
2026-02-27	1	Patch1
2026-02-28	1	General1
2026-03-01	1	Disclosure1

Full discourse15 posts

CCB Alert@CCBalert226d
Disclosure
Warning: 4 critical vulnerabilities in #SolarWinds Serv-U. CVE-2025-40538, CVE-2025-40539, CVE-2025-40540 and CVE-2025-40541 share the same CVSS score of 9.1. Threat actors could exploit either to achieve remote code execution. #RCE! https://ccb.belgium.be/advisories/warning-critical-vulnerabilities-solarwinds-serv-u-servers-can-be-exploited-remote-code #Patch #Patch #Patch
Post summary
Four critical SolarWinds Serv‑U CVEs (CVE‑2025‑40538‑40541) with a CVSS score of 9.1 are highlighted, warning of potential remote code execution and urging users to apply patches.
03040362
7.2K followersView on X
GovCERT.CZ@GOVCERT_CZ226d
Patch
🚨Upozorňujeme na sérii RCE zranitelností v SolarWinds Serv-U. CVE-2025-40538: Chyba zabezpečení v oblasti řízení přístupu, která při zneužití umožňuje útočníkovi vytvořit uživatele se systémovými oprávněními a spustit libovolný kód jako root pomocí oprávnění správce domény nebo správce skupiny. CVE-2025-40539: Chyba typu „type confusion“, která při zneužití umožňuje útočníkovi spustit libovolný nativní kód jako root. CVE-2025-40540: Chyba typu „type confusion“, která při zneužití umožňuje útočníkovi spustit libovolný nativní kód jako root. CVE-2025-40541: Zranitelnost typu IDOR (Insecure Direct Object Reference), která útočníkovi umožňuje spustit nativní kód jako root. K úspěšnému zneužití těchto zranitelností je potřeba účet s administrátorským oprávněním. 📌 Doporučujeme aktualizovat na verzi 15.5.4 či novější.
Post summary
SolarWinds Serv‑U is affected by a series of RCE vulnerabilities (CVE‑2025‑40538‑40541) that allow root execution; updating to version 15.5.4 or newer mitigates the risk.
01020776
4.2K followersView on X
Dr. John D. Johnson@johndjohnson224d
Patch
Patch these 4 critical, make-me-root SolarWinds bugs ASAP The four flaws, all of which earned a 9.1 CVSS rating, include a broken access control vulnerability (CVE-2025-40538), two type confusion bugs (CVE-2025-40540 and CVE-2025-40539), and an Insecure Direct Object Reference (IDOR) issue (CVE-2025-40541), all of which can lead to remote code execution (RCE). https://nuel.ink/5bzFZF
Post summary
The post urges immediate patching of four SolarWinds CVEs rated 9.1 CVSS that allow remote code execution via broken access control, type confusion, and IDOR vulnerabilities.
0101083
1.1K followersView on X
Security Harvester@secharvesterx226d
General
SolarWinds CVE 9.1 - CVE-2025-4054 https://fixthecve.com/cve/CVE-2025-40540 https://t.co/HRN9PgjNo7
Post summary
The tweet references SolarWinds CVE-2025-4054 but provides no further details or actionable information.
0001157
427 followersView on X
Vulmon Vulnerability Feed@VulmonFeeds228d
General
CVE-2025-40540 Type Confusion Vulnerability in Serv-U Enables Privileged... https://vulmon.com/vulnerabilitydetails?qid=CVE-2025-40540 Don't wait vulnerability scanning results: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=2
Post summary
The post references CVE-2025-40540, a type confusion vulnerability in Serv‑U, but provides no evidence of PoC, exploit, active use, or patch information.
0000147
4.0K followersView on X
CRAC Learning - Tech@cracbot222d
Disclosure
CVE-2025-40540 (CVSS:9.1, CRITICAL) is Analyzed. A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arb..https://nvd.nist.gov/vuln/detail/CVE-2025-40540 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre
Post summary
The post announces CVE‑2025‑40540, a critical type‑confusion flaw in Serv‑U that permits arbitrary code execution, but it does not provide a PoC, exploit, or patch information.
0000074
173 followersView on X
CRAC Learning - Tech@cracbot223d
General
CVE-2025-40540 (CVSS:9.1, CRITICAL) is Analyzed. A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arb..https://nvd.nist.gov/vuln/detail/CVE-2025-40540 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre
Post summary
The post offers a high‑level overview of CVE‑2025‑40540, noting it as a type‑confusion flaw in Serv‑U with a critical CVSS score, but does not provide evidence of exploits, patches, or PoC details.
0000092
173 followersView on X
Security Harvester@secharvesterx225d
Patch
CVE-2025-40540 (CVSS 9.1) — SolarWinds Serv-U Critical Vulnerability (Type Confusion RCE) — Patch Released https://www.bleepingcomputer.com/news/security/critical-solarwinds-serv-u-flaws-offer-root-access-to-servers/ https://t.co/jV96QPZLO0
Post summary
SolarWinds Serv-U CVE-2025-40540 is a type confusion RCE with CVSS 9.1, and a patch has been released; no PoC, exploit code, or active exploitation claims are mentioned.
0000058
440 followersView on X
CERT-PY@CERTpy225d
General
⚠️ Vulnerabilidades en productos SolarWinds ❗ CVE-2025-40541 ❗ CVE-2025-40540 ❗ CVE-2025-40538 ➡️ Más info: https://www.cert.gov.py/vulnerabilidades-en-productos-solarwinds-3/ https://t.co/DJ2o6YtpDk
Post summary
The post lists three CVE identifiers for SolarWinds products and provides a link for more information, but no further details are given.
00000104
6.6K followersView on X
セキュリティ対策Lab@securityLab_jp226d
Patch
SolarWinds Serv-Uが4件の重大な脆弱性を修正(CVE-2025-40538 / 40539 / 40540 / 40541) https://rocket-boys.co.jp/security-measures-lab/solarwinds-serv-u-fixes-four-critical-vulnerabilities-cve-2025-40538-cve-2025-40539-cve-2025-40540-cve-2025-40541/ #セキュリティ対策Lab #セキュリティ #Security #CybersecurityNews
Post summary
SolarWinds Serv‑U has released fixes for four critical CVEs (CVE‑2025‑40538 to 40541); the post does not provide PoC, exploit, or technical details beyond the CVE IDs.
00000115
319 followersView on X
cybersecuritypath@cybrsecpath227d
Patch
https://cybersecuritypath.com/cve-2025-40540-solarwinds-serv-u-security-vulnerability-alert/
Post summary
The post reports a critical CVE‑2025‑40540 in SolarWinds Serv‑U, provides technical details and a vendor patch, and does not mention active exploitation or a PoC.
000006
View on X
SecAlerts@SecAlertsCo227d
Patch
Patches for 4 CVSS 9.1 #Solarwinds vulns. Info at SecAlerts: CVE-2025-40538: https://secalerts.co/vulnerability/CVE-2025-40538 CVE-2025-40539: https://secalerts.co/vulnerability/CVE-2025-40539 CVE-2025-40540: https://secalerts.co/vulnerability/CVE-2025-40540 CVE-2025-40541: https://secalerts.co/vulnerability/CVE-2025-40541 #ciso #cio #cto #vulnerabilities #cybersecurity #msp #mssp https://t.co/UMGDgMHeOT
Post summary
The tweet announces patches for four high‑severity SolarWinds vulnerabilities (CVE‑2025‑40538 to CVE‑2025‑40541) and directs readers to SecAlerts for details.
0000094
798 followersView on X
CVE@CVEnew227d
Disclosure
CVE-2025-40540 A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arbitrary native code as privileged account. Thi… https://www.cve.org/CVERecord?id=CVE-2025-40540
Post summary
The text outlines a type‑confusion flaw in Serv‑U that permits privileged native code execution, but it does not mention any PoC, exploit, patch, or active exploitation.
00000128
56.5K followersView on X
CVETodo@CveTodo228d
Disclosure
**CVE-2025-40540** is a **type confusion vulnerability** in **Serv-U**, a managed file transfer server software. When exploited, this flaw allows a malicious actor to execute **arbitrary native code** with **privileged account** privileges. The attack requires **administrative privileges** to exploit, which limits the attack surface but still poses a significant risk if an attacker gains such privileges. #Cybersecurity #CVE #CriticalCVE #CriticalVulnerability #RemoteCodeExecution #PrivilegeEscalation https://cvetodo.com/cve/CVE-2025-40540
Post summary
The post discloses CVE‑2025‑40540 as a type‑confusion flaw in Serv‑U that permits privileged code execution when administrative rights are present, but it does not mention any PoC, exploit, or patch.
0000045
20 followersView on X
CVEFind.com@CveFindCom228d
Disclosure
[CVE-2025-40540: CRITICAL] Type confusion vulnerability in Serv-U allows a malicious actor to run native code as a privileged account, requiring administrative privileges to exploit. Risk is medium on Window...#cve,CVE-2025-40540,#cybersecurity https://cvefind.com/CVE-2025-40540
Post summary
The post announces a type‑confusion vulnerability (CVE‑2025‑40540) in Serv‑U that permits privileged code execution, but it does not provide a PoC, exploit, or patch information.
0000071
584 followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	solarwinds	serv-u	-	-	-

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What researchers are saying

CVE-2025-40540

GovCERT.CZ[verified]@GOVCERT_CZPatch

SolarWinds Serv‑U is affected by a series of RCE vulnerabilities (CVE‑2025‑40538‑40541) that allow root execution; updating to version 15.5.4 or newer mitigates the risk.

Dr. John D. Johnson[verified]@johndjohnsonPatch

The post urges immediate patching of four SolarWinds CVEs rated 9.1 CVSS that allow remote code execution via broken access control, type confusion, and IDOR vulnerabilities.

セキュリティ対策Lab[verified]@securityLab_jpPatch

SolarWinds Serv‑U has released fixes for four critical CVEs (CVE‑2025‑40538 to 40541); the post does not provide PoC, exploit, or technical details beyond the CVE IDs.

CVETodo[verified]@CveTodoDisclosure

The post discloses CVE‑2025‑40540 as a type‑confusion flaw in Serv‑U that permits privileged code execution when administrative rights are present, but it does not mention any PoC, exploit, or patch.

CCB Alert@CCBalertDisclosure

Four critical SolarWinds Serv‑U CVEs (CVE‑2025‑40538‑40541) with a CVSS score of 9.1 are highlighted, warning of potential remote code execution and urging users to apply patches.

Security Harvester@secharvesterxGeneral

The tweet references SolarWinds CVE-2025-4054 but provides no further details or actionable information.

Vulmon Vulnerability Feed@VulmonFeedsGeneral

The post references CVE-2025-40540, a type confusion vulnerability in Serv‑U, but provides no evidence of PoC, exploit, active use, or patch information.

CRAC Learning - Tech@cracbotDisclosure

The post announces CVE‑2025‑40540, a critical type‑confusion flaw in Serv‑U that permits arbitrary code execution, but it does not provide a PoC, exploit, or patch information.