Buffer overflow in Tenda Ac5
CVE-2025-5863
A vulnerability was found in Tenda AC5 15.03.06.47. It has been classified as critical. Affected is the function formSetRebootTimer of the file /goform/SetRebootTimer. The manipulation of the argument rebootTime leads to stack-based buffer…
Vulnerability class: Buffer Overflow
EPSS: 0.009 (76.5th 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-311622 | Tenda AC5 SetRebootTimer formSetRebootTimer stack-based overflow (vdb-entry, technical-description)
- VDB-311622 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
- Submit #591981 | Tenda AC5 V1.0 V15.03.06.47 Buffer Overflow (third-party-advisory)
- lavender-bicycle-a5a.notion.site/Tenda-AC5-formSetRebootTimer-20a53a41781f80a6b… (exploit)
- www.tenda.com.cn/ (product)
Frequently asked questions
- What is CVE-2025-5863?
- CVE-2025-5863 is a high-severity vulnerability in Tenda Ac5, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-06-09.
- How severe is CVE-2025-5863?
- High severity. CVSS v3 base score is 8.8 out of 10.