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CVE-2026-4497

MEDIUM CVSS 4.0: 6.9 EPSS 0.64%
Updated Apr 03, 2026
Totolink
Parameter Value
CVSS 6.9 (MEDIUM)
Type CWE-77 (Command Injection), CWE-78 (OS Command Injection)
Vendor Totolink
Public PoC No

A vulnerability was determined in Totolink WA300 5.2cu.7112_B20190227. Affected by this issue is the function recvUpgradeNewFw of the file /cgi-bin/cstecgi.cgi. This manipulation causes os command injection.

Remote exploitation of the attack is possible. The exploit has been publicly disclosed and may be utilized.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
Low
Partial data leak
Integrity
Low
Partial data modification
Availability
Low
Partial disruption

CVSS Vector v4.0

Vulnerable Products 2

Configuration From (including) Up to (excluding)
Totolink Wa300_Firmware
cpe:2.3:o:totolink:wa300_firmware:5.2cu.7112_b20190227:*:*:*:*:*:*:*
Totolink Wa300
cpe:2.3:h:totolink:wa300:-:*:*:*:*:*:*:*