CVE-2026-2871
HIGHCVSS 8.8/10EPSS 0.68%
Last modified
CVE-2026-2871 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. A weakness has been identified in Tenda A21 1.0.0.0. This affects the function fromSetIpMacBind of the file /goform/SetIpMacBind. EPSS estimates a 0.68% chance of exploitation in the next 30 days.
Description
A weakness has been identified in Tenda A21 1.0.0.0. This affects the function fromSetIpMacBind of the file /goform/SetIpMacBind. This manipulation of the argument list causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Tenda | A21 Firmware | 1.0.0.0 |
References
- https://github.com/QIU-DIE/cve-nneeww/issues/2Exploit, Issue Tracking, Mitigation, Third Party Advisory
- https://vuldb.com/?ctiid.347108Permissions Required, VDB Entry
- https://vuldb.com/?id.347108Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.754630Third Party Advisory, VDB Entry
- https://vuldb.com/?submit.754631Third Party Advisory, VDB Entry
- https://www.tenda.com.cn/Product
Timeline
- Published
- Last Modified
- Status
- Analyzed
Frequently Asked Questions
What is CVE-2026-2871?
A weakness has been identified in Tenda A21 1.0.0.0. This affects the function fromSetIpMacBind of the file /goform/SetIpMacBind. This manipulation of the argument list causes stack-based buffer overflow. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks.
How severe is CVE-2026-2871?
CVE-2026-2871 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.
How do I fix CVE-2026-2871?
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-2026-2871?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST