CVE-2026-5991
HIGHCVSS 8.8/10EPSS 0.51%
Last modified
CVE-2026-5991 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability was found in Tenda F451 1.0.0.7. Affected by this issue is the function formWrlExtraSet of the file /goform/WrlExtraSet. EPSS estimates a 0.51% chance of exploitation in the next 30 days.
Description
A vulnerability was found in Tenda F451 1.0.0.7. Affected by this issue is the function formWrlExtraSet of the file /goform/WrlExtraSet. The manipulation of the argument GO results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tenda | F451 Firmware | 1.0.0.7 |
References
- https://github.com/Jimi-Lab/cve/issues/9Broken Link
- https://vuldb.com/submit/792862Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/356545Third Party Advisory, VDB Entry
- https://vuldb.com/vuln/356545/ctiPermissions Required, VDB Entry
- https://www.tenda.com.cn/Product
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-5991?
A vulnerability was found in Tenda F451 1.0.0.7. Affected by this issue is the function formWrlExtraSet of the file /goform/WrlExtraSet. The manipulation of the argument GO results in stack-based buffer overflow. The attack may be launched remotely. The exploit has been made public and could be used.
How severe is CVE-2026-5991?
CVE-2026-5991 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.51% probability of exploitation in the next 30 days.
How do I fix CVE-2026-5991?
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.
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Are you affected by CVE-2026-5991?
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Scan your code nowSource: NVD / NIST