Vulnerability · Published Jun 25, 2025 · Assigned by VulDB

CVE-2025-6620TOTOLINK CA300-PoE upgrade.so setUpgradeUboot os command injection

Medium 6.3

In plain English

A medium-severity OS command injection in CA300-PoE from TOTOLINK. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.5% (higher than 85% of all known vulnerabilities).

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)2.5%top 15.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A vulnerability was found in TOTOLINK CA300-PoE 6.2c.884. It has been rated as critical. Affected by this issue is the function setUpgradeUboot of the file upgrade.so. The manipulation of the argument FileName leads to os command injection. The attack may be launched remotely. The exploit has been disclosed to the public and may be used.

Affected products (as reported)

VendorProductVersions
TOTOLINK CA300-PoE 6.2c.884

Weakness: CWE-78, CWE-77 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References