Buffer overflow in Tenda Jd12l
CVE-2026-13516
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (56.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Tenda Jd12l — versions 16.03.53.23
Weakness classification (CWE)
References
- vuldb.com/vuln/374524 (technical-description, vdb-entry)
- vuldb.com/vuln/374524/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-13516 (third-party-advisory)
- vuldb.com/submit/838887 (third-party-advisory)
- github.com/cve-a/Vampirensa/issues/2 (issue-tracking, exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2026-13516?
- CVE-2026-13516 is a high-severity vulnerability in Tenda Jd12l, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-06-29.
- How severe is CVE-2026-13516?
- High severity. CVSS v3 base score is 8.8 out of 10.