Vulnerability · Published Jun 28, 2026 · Assigned by VulDB
CVE-2026-13516Tenda JD12L WifiGuestSet fromSetWifiGusetBasic stack-based overflow
High 8.8
In plain English
A high-severity stack buffer overflow in JD12L from Tenda. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 58% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.9%top 41.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A vulnerability was detected in Tenda JD12L 16.03.53.23. The affected element is the function fromSetWifiGusetBasic of the file /goform/WifiGuestSet. Performing a manipulation of the argument shareSpeed results in stack-based buffer overflow. The attack may be initiated remotely. The exploit is now public and may be used.
Affected products (as reported)
Weakness: CWE-121, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:X/RC:R
References
- VDB-374524 | Tenda JD12L WifiGuestSet fromSetWifiGusetBasic stack-based overflow vdb-entry, technical-description
- VDB-374524 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- CVE-2026-13516 | CVE Analysis and Report third-party-advisory
- Submit #838887 | Tenda JD12L pro V16.03.53.23 Stack-based Buffer Overflow third-party-advisory
- https://github.com/cve-a/Vampirensa/issues/2 exploit, issue-tracking
- https://www.tenda.com.cn/ product