What is CVE-2025-1851?

CVE-2025-1851 is a high-severity vulnerability in Tenda Ac7, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-03-03.

How severe is CVE-2025-1851?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Tenda Ac7

CVE-2025-1851

A vulnerability, which was classified as critical, was found in Tenda AC7 up to 15.03.06.44. This affects the function formSetFirewallCfg of the file /goform/SetFirewallCfg. The manipulation of the argument firewallEn leads to stack-based…

Vulnerability class: Buffer Overflow

EPSS: 0.012 (79.0th 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.

Affected products

Tenda Ac7 — versions 15.03.06.0, 15.03.06.1, 15.03.06.2

Weakness classification (CWE)

References

VDB-298119 | Tenda AC7 SetFirewallCfg formSetFirewallCfg stack-based overflow (vdb-entry, technical-description)
VDB-298119 | CTI Indicators (IOB, IOC, IOA) (signature, permissions-required)
Submit #505271 | Tenda ac7 V15.03.06.44 Buffer Overflow (third-party-advisory)
github.com/Raining-101/IOT_cve/blob/main/ac7_V15.03.06.44_SetFirewallCfg.md (exploit)
www.tenda.com.cn/ (product)

Frequently asked questions

What is CVE-2025-1851?: CVE-2025-1851 is a high-severity vulnerability in Tenda Ac7, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2025-03-03.
How severe is CVE-2025-1851?: High severity. CVSS v3 base score is 8.8 out of 10.