CVE-2025-41756Disclosure(mbs-solutions / ubr-01_mk_ii)

LOWCVSS 8.1 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system.

mbs-solutions CVEs Back to dashboard

0.5/ 10 priority

Sources & remediation

Vendor / third-party advisories

https://www.mbs-solutions.de/mbs-2025-0001

Weakness type (CWE)

CWE-1242

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

NONE

Momentum

STABLE

Are you affected?

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

ubr-01_mk_ii
ubr-02
ubr-lon
universal_bacnet_router_firmware

Threat summary

7 mentions across 4 observed days
Momentum state: stable

What's happening

Technical details provided in 5 signals
Disclosure: 6 classified signals
General: 1 classified signal
Peaked 3d ago at 4 mentions (2026-03-09); latest day: 1
7 total mentions across 4 days

Affected systems

Vendors

mbs-solutions

Products

ubr-01_mk_iiubr-02ubr-lonuniversal_bacnet_router_firmware

1 version affected across 4 products

Deep dive

Activity timeline7 mentions / 4d

Signal classification2 categories

Disclosure

685.7%

General

114.3%

Referenced assets5 URLs

By indicator

Classification over time

Date	Total	Labels

2026-03-09	4	Disclosure4
2026-03-10	1	Disclosure1
2026-03-12	1	Disclosure1
2026-03-13	1	General1

Full discourse7 posts

CRAC Learning - Tech@cracbot209d
General
CVE-2025-41756 (CVSS:8.1, HIGH) is Analyzed. A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpo..https://nvd.nist.gov/vuln/detail/CVE-2025-41756 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre
Post summary
The snippet reports CVE‑2025‑41756 with a high CVSS score and details a low‑privileged remote file‑edit vulnerability but lacks any proof of concept, exploit code, active exploitation evidence, or patch information.
00000103
172 followersView on X
CRAC Learning - Tech@cracbot210d
Disclosure
CVE-2025-41756 (CVSS:8.1, HIGH) is Analyzed. A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpo..https://nvd.nist.gov/vuln/detail/CVE-2025-41756 #cybersecurityawareness #cybersecurity #CVE #infosec #hacker #nvd #mitre
Post summary
CVE-2025-41756 is a high‑severity vulnerability allowing low‑privileged remote attackers to exploit an undocumented API method, though no PoC, exploit, or patch is mentioned in the text.
0000064
172 followersView on X
RedPacket Security@RedPacketSec212d
Disclosure
CVE Alert: CVE-2025-41756 - MBS - UBR-01 Mk II - https://www.redpacketsecurity.com/cve-alert-cve-2025-41756-mbs-ubr-01-mk-ii/ #OSINT #ThreatIntel #CyberSecurity #cve-2025-41756 #mbs #ubr-01-mk-ii
Post summary
Redpacket Security has issued a CVE alert for CVE‑2025‑41756 affecting MBS UBR‑01 Mk II, linking to an external page for more information.
00000162
3.5K followersView on X
CVE@CVEnew212d
Disclosure
CVE-2025-41756 A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system. https://www.cve.org/CVERecord?id=CVE-2025-41756
Post summary
CVE-2025-41756 enables low‑privileged remote attackers to write arbitrary files via the undocumented wwwubr.cgi endpoint, potentially allowing code execution.
00000144
56.6K followersView on X
CVEarity@CVEarity213d
Disclosure
⚡ New CVE Alert: CVE-2025-41756 📊 Severity: 8.1 🚨 Risk Level: High 🧩 Affects: Multiple / Unspecified Products Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-41756 #CVE-2025-41756 #CVE #High #CyberSecurity #InfoSec https://t.co/Gy1adWoYsO
Post summary
The tweet announces CVE‑2025‑41756 with its severity rating and provides an NVD link, but offers no additional technical or mitigation details.
0000071
90 followersView on X
Vulmon Vulnerability Feed@VulmonFeeds213d
Disclosure
CVE-2025-41756 Unauthenticated File Write Vulnerability in wwwubr.cgi API Endpoint https://vulmon.com/vulnerabilitydetails?qid=CVE-2025-41756
Post summary
A new unauthenticated file write vulnerability (CVE‑2025‑41756) affecting the wwwubr.cgi API endpoint is disclosed, as noted on vulmon.com.
0000046
4.0K followersView on X
The Hacker Wire@TheHackerWire213d
Disclosure
🟠 CVE-2025-41756 - High A low-privileged remote attacker can exploit the ubr-editfile method in wwwubr.cgi, an undocumented and unused API endpoint to write arbitrary files on the system. https://www.thehackerwire.com/vulnerability/CVE-2025-41756/ https://t.co/mywqnDHXUc
Post summary
The post discloses CVE-2025-41756, noting that a low‑privileged remote attacker can exploit an undocumented API endpoint (ubr-editfile in wwwubr.cgi) to write arbitrary files to the system.
0000072
129 followersView on X

CPE platform detail4 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

4 of 4 entries

Part	Vendor	Product	Version	Target SW	Target HW
HW	mbs-solutions	ubr-01_mk_ii	-	-	-
HW	mbs-solutions	ubr-02	-	-	-
HW	mbs-solutions	ubr-lon	-	-	-
OS	mbs-solutions	universal_bacnet_router_firmware	-	-	-

Explore more

Back to dashboard mbs-solutions CVEs ubr-01_mk_ii vulnerabilities

What researchers are saying

CVE-2025-41756

CRAC Learning - Tech@cracbotGeneral

The snippet reports CVE‑2025‑41756 with a high CVSS score and details a low‑privileged remote file‑edit vulnerability but lacks any proof of concept, exploit code, active exploitation evidence, or patch information.

CRAC Learning - Tech@cracbotDisclosure

CVE-2025-41756 is a high‑severity vulnerability allowing low‑privileged remote attackers to exploit an undocumented API method, though no PoC, exploit, or patch is mentioned in the text.

RedPacket Security@RedPacketSecDisclosure

Redpacket Security has issued a CVE alert for CVE‑2025‑41756 affecting MBS UBR‑01 Mk II, linking to an external page for more information.

CVE@CVEnewDisclosure

CVE-2025-41756 enables low‑privileged remote attackers to write arbitrary files via the undocumented wwwubr.cgi endpoint, potentially allowing code execution.

CVEarity@CVEarityDisclosure

The tweet announces CVE‑2025‑41756 with its severity rating and provides an NVD link, but offers no additional technical or mitigation details.

Vulmon Vulnerability Feed@VulmonFeedsDisclosure

A new unauthenticated file write vulnerability (CVE‑2025‑41756) affecting the wwwubr.cgi API endpoint is disclosed, as noted on vulmon.com.

The Hacker Wire@TheHackerWireDisclosure

The post discloses CVE-2025-41756, noting that a low‑privileged remote attacker can exploit an undocumented API endpoint (ubr-editfile in wwwubr.cgi) to write arbitrary files to the system.