CVE Catalog

CVE-2026-79551

HighCVSS 7.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.33%

27th percentile - higher than 27% of all known CVEs

Summary

Tenda Technology Co., Ltd NVR_4H CH3 v2.1 V27.5.58.6 was discovered to contain a hardcoded cryptographic key. This may allow an attacker to decrypt or impersonate communication protected by this key.

Risk Assessment

The hardcoded cryptographic key can be used to decrypt data, impersonate the device, or bypass security mechanisms. This poses a serious threat to the confidentiality and integrity of communication.

Recommendation

Check whether the vendor has released a firmware update fixing the issue and apply it immediately. If no update is available, consider replacing the device or isolating it in a separate, strictly controlled subnet.

Related vulnerabilities

Original NVD description (English source)

Tenda Technology Co., Ltd NVR_4H CH3 v2.1 V27.5.58.6 was discovered to contain a hardcoded cryptographic key.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS