CVE-2026-51843
CRITICALCVSS 9.8/10EPSS 0.36%
Last modified
CVE-2026-51843 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. Tenda AC7 v15.03.06.44 contains a stack buffer overflow vulnerability in the /goform/AdvSetMacMtuWan interface via the wanMTU parameter.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.
Description
Tenda AC7 v15.03.06.44 contains a stack buffer overflow vulnerability in the /goform/AdvSetMacMtuWan interface via the wanMTU parameter.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tenda | Ac7 Firmware | 15.03.06.44 |
References
- https://www.kdev.site/cve-request_008/Exploit, Third Party Advisory
- https://www.kdev.site/cve-request_008/Exploit, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-51843?
Tenda AC7 v15.03.06.44 contains a stack buffer overflow vulnerability in the /goform/AdvSetMacMtuWan interface via the wanMTU parameter.
How severe is CVE-2026-51843?
CVE-2026-51843 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.
How do I fix CVE-2026-51843?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-5181A vulnerability has been found in SourceCodester Simple Doct…6.3
- CVE-2026-5182A vulnerability was found in SourceCodester Teacher Record S…7.3
- CVE-2026-51821SQL Injection vulnerability in Shenzhou Shihan Video Confere…9.8
- CVE-2026-5183A vulnerability was determined in TRENDnet TEW-713RE up to 1…9.8
- CVE-2026-51833Xenforo 2.3.8 is vulnerable to SSRF. Attackers that have adm…7.5
- CVE-2026-5184A vulnerability was identified in TRENDnet TEW-713RE up to 1…8.8
- CVE-2026-51844Tenda AC7 v15.03.06.44 contains a stack buffer overflow vuln…9.8
- CVE-2026-51845Tenda AC7 v15.03.06.44 contains a stack buffer overflow vuln…9.8
- CVE-2026-51846In Tenda AC7 v15.03.06.44, the wanSpeed parameter of the rou…9.8
- CVE-2026-5185A security flaw has been discovered in Nothings stb_image up…5.3
- CVE-2026-5186A weakness has been identified in Nothings stb up to 2.30. T…5.3
- CVE-2026-5187Two potential heap out-of-bounds write locations existed in …9.8
Are you affected by CVE-2026-51843?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST