Vulnerability Description
A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation leads to stack-based buffer overflow. Remote exploitation of the attack is possible. The exploit is publicly available and might be used.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Tenda | Ac21 Firmware | 16.03.08.16 |
| Tenda | Ac21 | - |
Related Weaknesses (CWE)
References
- https://github.com/LX-LX88/cve/issues/25Broken Link
- https://vuldb.com/?ctiid.343416Permissions RequiredVDB Entry
- https://vuldb.com/?id.343416Third Party AdvisoryVDB Entry
- https://vuldb.com/?submit.740865Third Party AdvisoryVDB Entry
- https://www.tenda.com.cn/Product
- https://github.com/LX-LX88/cve/issues/25Broken Link
FAQ
What is CVE-2026-1637?
CVE-2026-1637 is a vulnerability with a CVSS score of 8.8 (HIGH). A vulnerability was identified in Tenda AC21 16.03.08.16. The affected element is the function fromAdvSetMacMtuWan of the file /goform/AdvSetMacMtuWan. The manipulation leads to stack-based buffer ove...
How severe is CVE-2026-1637?
CVE-2026-1637 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-1637?
Check the references section above for vendor advisories and patch information. Affected products include: Tenda Ac21 Firmware, Tenda Ac21.