CVE-2026-3677
HIGHCVSS 8.8/10EPSS 0.63%
Last modified
CVE-2026-3677 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A vulnerability was found in Tenda FH451 1.0.0.9. This impacts the function fromSetCfm of the file /goform/setcfm. EPSS estimates a 0.63% chance of exploitation in the next 30 days.
Description
A vulnerability was found in Tenda FH451 1.0.0.9. This impacts the function fromSetCfm of the file /goform/setcfm. The manipulation of the argument funcname/funcpara1 results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tenda | Fh451 Firmware | 1.0.0.9 |
References
- https://github.com/Litengzheng/vul_db/blob/main/FH451/vul_61/README.mdExploit, Third Party Advisory
- https://vuldb.com/?ctiid.349579Permissions Required, VDB Entry
- https://vuldb.com/?id.349579Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.765329Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/Product
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-3677?
A vulnerability was found in Tenda FH451 1.0.0.9. This impacts the function fromSetCfm of the file /goform/setcfm. The manipulation of the argument funcname/funcpara1 results in stack-based buffer overflow. The attack may be performed from remote. The exploit has been made public and could be used.
How severe is CVE-2026-3677?
CVE-2026-3677 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.63% probability of exploitation in the next 30 days.
How do I fix CVE-2026-3677?
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-2026-3677?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST