Buffer overflow in Tenda Fh1201
CVE-2026-5046
A flaw has been found in Tenda FH1201 1.2.0.14(408). Affected is the function formWrlExtraSet of the file /goform/WrlExtraSet of the component Parameter Handler. Executing a manipulation of the argument GO can lead to stack-based buffer ov…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (25.8th percentile) — read the EPSS interpretation.
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/E:P/RL:X/RC:R.
Affected products
- Tenda Fh1201 — versions 1.2.0.14(408)
Weakness classification (CWE)
References
- VDB-353969 | Tenda FH1201 Parameter WrlExtraSet formWrlExtraSet stack-based overflow (vdb-entry, technical-description)
- VDB-353969 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #779127 | Tenda FH1201 1.2.0.14(408) Stack-based Buffer Overflow (third-party-advisory)
- github.com/Litengzheng/vul_db/blob/main/FH1201/vul_44/README.md (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2026-5046?
- CVE-2026-5046 is a high-severity vulnerability in Tenda Fh1201, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-03-29.
- How severe is CVE-2026-5046?
- High severity. CVSS v3 base score is 8.8 out of 10.