CVE-2025-5763: Tenda CP3 apollo sub_F3C8C command injection

Vulnerability summary

CVE-2025-5763 is a high (CVSS 8.8) Injection vulnerability in tenda cp3_firmware. EPSS estimates a 4.79% chance of exploitation in the next 30 days, higher than 91.9% of scored vulnerabilities. 2 public exploits are recorded.

Timeline

1. 06-06-2025
   PublishedVulnerability first disclosed.
2. 09-06-2025
   Last modifiedVulnerability information updated.

Description

A vulnerability has been found in Tenda CP3 11.10.00.2311090948 and classified as critical. Affected by this vulnerability is the function sub_F3C8C of the file apollo. The manipulation leads to command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.

• CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
• CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component.