Buffer overflow in Tenda Ac5
CVE-2026-4902
A vulnerability was detected in Tenda AC5 15.03.06.47. This affects the function fromAddressNat of the file /goform/addressNat of the component POST Request Handler. The manipulation of the argument page results in stack-based buffer overf…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (28.3th 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 Ac5 — versions 15.03.06.47
Weakness classification (CWE)
References
- VDB-353653 | Tenda AC5 POST Request addressNat fromAddressNat memory corruption (vdb-entry, technical-description)
- VDB-353653 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #777378 | Tenda AC5 AC5 V1.0 V15.03.06.47 Buffer Overflow (third-party-advisory)
- lavender-bicycle-a5a.notion.site/Tenda_AC5_addressNat_page-32053a41781f8017938d… (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2026-4902?
- CVE-2026-4902 is a high-severity vulnerability in Tenda Ac5, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2026-03-26.
- How severe is CVE-2026-4902?
- High severity. CVSS v3 base score is 8.8 out of 10.