CVE-2026-5176

HIGH

Totolink A3300R cstecgi.cgi setSyslogCfg command injection

Title source: cna

Description

A security flaw has been discovered in Totolink A3300R 17.0.0cu.557_b20221024. Affected is the function setSyslogCfg of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument provided results in command injection. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks.

References (5)

[Vdb Entry, Technical Description] https://vuldb.com/vuln/354244

[Signature, Permissions Required] https://vuldb.com/vuln/354244/cti

[Third Party Advisory] https://vuldb.com/submit/779145

[Exploit] https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_rtLogServer_cmd_inject

View Exploit ZIP pw:eip

[Product] https://www.totolink.net/

Scores

CVSS v3 7.3

EPSS 0.0197

EPSS Percentile 83.6%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Details

CWE

CWE-74 CWE-77

Status published

Products (2)

Totolink/A3300R 17.0.0cu.557_b20221024

totolink/a3300r_firmware 17.0.0cu.557_b20221024

Published Mar 31, 2026

Tracked Since Mar 31, 2026