High 7.3Published Mar 30, 2026

CVE-2026-5176Totolink A3300R cstecgi.cgi setSyslogCfg command injection

Updated under an hour ago (Oct 26, 2026, 8:00 AM ET)

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It affects Totolink A3300R. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Totolink A3300R

Exploited in the last 30 days

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.

CVSS: 7.3 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
Weakness (CWE): CWE-77, CWE-74
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulDB
NVD analysis: Analyzed
Record last updated: Mar 31, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Totolink A3300R totolink:a3300r_firmware	17.0.0cu.557_b20221024	CNA record
totolink a3300r_firmware totolink:a3300r_firmware	17.0.0cu.557_b20221024	NVD

References

https://vuldb.com/vuln/354244vdb-entry, technical-description, third-party-advisory
https://vuldb.com/vuln/354244/ctisignature, permissions-required, vdb-entry
https://vuldb.com/submit/779145third-party-advisory, vdb-entry
https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_rtLogServer_cmd_injectexploit, third-party-advisory
https://www.totolink.net/product

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.