CVE-2026-86151: Tenda CP3 Network Configuration Management system.c sub_2F77E8 os command injection

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-06 · updated 2026-09-11
Weakness: CWE-77

Description

A vulnerability was detected in Tenda CP3 27.5.57.101. The affected element is the function sub_2F77E8 of the file Apis/system.c of the component Network Configuration Management. Performing a manipulation results in os command injection. The attack may be initiated remotely.

Affected products

Tenda CP3: 27.5.57.101

References

https://vuldb.com/cve/CVE-2026-86151
https://vuldb.com/submit/895352
https://vuldb.com/vuln/399274
https://vuldb.com/vuln/399274/cti
https://www.tenda.com.cn/

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