CVE-2025-13400
criticalA vulnerability was detected in Tenda CH22 1.0.0.1.
Vendor / product: Tenda — ch22 firmware
A vulnerability was detected in Tenda CH22 1.0.0.1. Affected is the function formWrlExtraGet of the file /goform/WrlExtraGet. Performing a manipulation of the argument chkHz results in buffer overflow. Remote exploitation of the attack is possible. The exploit is now public and may be used.
CVSS
9.8
9.8 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2025-11-19 17:15
Modified: 2026-10-18 20:10
NVD status: Modified
Last synced 3 days ago
Verified against the source API 2026-10-27 07:06 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
tenda / ch22_firmware 1.0.0.1
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/f000x0/cve/issues/14 cna@vuldb.com
- https://vuldb.com/?ctiid.332926 cna@vuldb.com
- https://vuldb.com/?id.332926 cna@vuldb.com
- https://vuldb.com/?submit.692145 cna@vuldb.com
- https://www.tenda.com.cn/ cna@vuldb.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-27 07:06 UTC · record ↗