Buffer overflow in Tenda Fh1202
CVE-2026-3807
A security vulnerability has been detected in Tenda FH1202 1.2.0.14(408). Impacted is the function formWrlsafeset of the file /goform/AdvSetWrlsafeset. Such manipulation of the argument mit_ssid/mit_ssid_index leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed publicly 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: 0.010 (61.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 62nd percentile — 61.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.010 · change: +0.004
Affected products
- Tenda Fh1202 — versions 1.2.0.14(408)
- Tenda Fh1202 Firmware — versions 1.2.0.14\(408\), 1.2.0.14(408)
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/Svigo-o/Tenda_vul/tree/main/tenda-fh1202-advsetwrlsafeset-mit-ssid-b… (Exploit, Third Party Advisory, exploit)
- www.tenda.com.cn/ (Product, product)
Frequently asked questions
- What is CVE-2026-3807?
- CVE-2026-3807 is a high-severity vulnerability in Tenda Fh1202, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 8.8/10. Published 2026-03-09.
- How severe is CVE-2026-3807?
- High severity. CVSS v3 base score is 8.8 out of 10.