CVE-2026-5549: Tenda AC10 RSA 2048-bit Private Key privkeySrv.pem hard-coded key

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-04-05 · updated 2026-07-24
Weakness: CWE-320

Description

A vulnerability was determined in Tenda AC10 16.03.10.10_multi_TDE01. Affected by this issue is some unknown functionality of the file /webroot_ro/pem/privkeySrv.pem of the component RSA 2048-bit Private Key Handler. Executing a manipulation can lead to use of hard-coded cryptographic key . The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized.

Affected products

Tenda AC10: 16.03.10.10_multi_tde01

References

https://github.com/somanyerrors/tenda-ac10v4-vulnerabilities/blob/main/findings/CRITICAL-05-exposed-rsa-private-key.md
https://vuldb.com/submit/782298
https://vuldb.com/vuln/355313
https://vuldb.com/vuln/355313/cti
https://www.tenda.com.cn/

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