CVE-2026-7100Disclosure(tenda / f456)

LOWCVSS 7.4 · HIGH

Exploit discussion active in current signal (4 latest mentions)

Immediate actions

Hunt for exploitation attempts and persistence artifacts
Increase monitoring for publicly documented tradecraft
Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

A flaw has been found in Tenda F456 1.0.0.5. The impacted element is the function fromNatlimitof of the file /goform/Natlimit of the component httpd. Executing a manipulation can lead to buffer overflow. The attack may be launched remotely. The exploit has been published and may be used.

tenda CVEs Back to dashboard

1.5/ 10 priority

Sources & remediation

Exploit / PoC references

https://github.com/Litengzheng/vuldb_new/blob/main/F456/vul_138/README.md

Vendor / third-party advisories

Other references

Weakness type (CWE)

CWE-119CWE-120

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Are you affected?

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

f456
f456_firmware

Threat summary

Public PoC is present in monitored signal
4 mentions across 1 observed day

What's happening

PoC mentioned or linked in 1 signal
Technical details provided in 4 signals
Disclosure: 3 classified signals
Exploit: 1 classified signal
4 total mentions across 1 day

Affected systems

Vendors

tenda

Products

f456f456_firmware

2 versions affected across 2 products

Deep dive

Activity timeline4 mentions / 1d

Signal classification2 categories

Disclosure

375.0%

Exploit

125.0%

Referenced assets4 URLs

By indicator

Full discourse4 posts

Infoflowcloud@infoflowcloud163d
Disclosure
🚨*CVE* CVE-2026-7100 A flaw has been found in Tenda F456 1.0.0.5. The impacted element is the function fromNatlimitof of the file /goform/Natlimit of the component httpd. Executing a manipu… https://www.cve.org/CVERecord?id=CVE-2026-7100 ----- Traducción: CVE-2026-7100 Se … http://infoflow.cloud`
Post summary
The tweet announces CVE‑2026‑7100 affecting Tenda F456’s Natlimit component, giving technical details but no exploit, patch, or PoC information.
0000032
72 followersView on X
CVE@CVEnew163d
Disclosure
CVE-2026-7100 A flaw has been found in Tenda F456 1.0.0.5. The impacted element is the function fromNatlimitof of the file /goform/Natlimit of the component httpd. Executing a manipu… https://www.cve.org/CVERecord?id=CVE-2026-7100
Post summary
A vulnerability was disclosed in Tenda F456 firmware, detailing the affected function and file but providing no exploit, patch, or proof‑of‑concept information.
00000103
57.3K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds164d
Exploit
CVE-2026-7100 Buffer Overflow in Tenda F456 1.0.0.5 Natlimit Function (Exploitation Published) https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-7100
Post summary
CVE-2026-7100 is a buffer overflow in the Tenda F456 Natlimit function, with exploitation apparently published, but the text lacks details on active attacks, patches, or a specific exploit tool.
0000047
4.0K followersView on X
Kaitan ID Security@KaitanSecurity164d
Disclosure
⚠️ HIGH — CVE-2026-7100 A flaw has been found in Tenda F456 1.0.0.5. The impacted element is the function fromNatlimitof of the file /goform/Na… CVSS 8.8 Full analysis → https://sec.kaitan.id/cves/CVE-2026-7100 #Tenda #CyberSecurity #InfoSec
Post summary
A new high‑severity vulnerability (CVE‑2026‑7100) was identified in Tenda F456 firmware, with details about the affected function and CVSS score provided; no exploitation or patch information is disclosed.
0000037
142 followersView on X

CPE platform detail2 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

2 of 2 entries

Part	Vendor	Product	Version	Target SW	Target HW
HW	tenda	f456	-	-	-
OS	tenda	f456_firmware	1.0.0.5	-	-

Explore more

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What researchers are saying

CVE-2026-7100

Kaitan ID Security[verified]@KaitanSecurityDisclosure

A new high‑severity vulnerability (CVE‑2026‑7100) was identified in Tenda F456 firmware, with details about the affected function and CVSS score provided; no exploitation or patch information is disclosed.

Infoflowcloud@infoflowcloudDisclosure

The tweet announces CVE‑2026‑7100 affecting Tenda F456’s Natlimit component, giving technical details but no exploit, patch, or PoC information.

CVE@CVEnewDisclosure

A vulnerability was disclosed in Tenda F456 firmware, detailing the affected function and file but providing no exploit, patch, or proof‑of‑concept information.

Vulmon Vulnerability Feed@VulmonFeedsExploit

CVE-2026-7100 is a buffer overflow in the Tenda F456 Natlimit function, with exploitation apparently published, but the text lacks details on active attacks, patches, or a specific exploit tool.