CVE-2026-5176 describes a high-severity command injection vulnerability in Totolink A3300R router firmware version 17.0.0cu.557_b20221024, specifically within the setSyslogCfg function of the /cgi-bin/cstecgi.cgi file. Rated 7.3 HIGH on the CVSS scale, this flaw allows an unauthenticated attacker to execute arbitrary commands remotely with low attack complexity, potentially compromising the device's confidentiality, integrity, and availability. Although not currently on the CISA KEV list, an exploit for this vulnerability has been publicly released, increasing the immediate risk of exploitation, and it has generated some community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
17.0.0cu.557_b20221024CPE matchmatch criteria | cpe:2.3:o:totolink:a3300r_firmware:17.0.0cu.557_b20221024:*:*:*:*:*:*:* |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.