by Kastro
Paper/Archive/CVE-2026-5176

CVE-2026-5176

Totolink A3300R — Totolink A3300R cstecgi.cgi setSyslogCfg command injection

EPSS 2%public exploitCVSS 9.8
critical.is priorityof 100
56
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 82.2.822 × 2016.4Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
A3300R17.0.0cu.557_b20221024–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulDB (CNA)7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
VulDB (CNA)7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
VulDB (CNA)6.9CVSS: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
CISA ADPSSVCExploitation: poc · Automatable: yes · Technical impact: partial

References

writeupvuldb.com/vuln/354244refvuldb.com/vuln/354244/ctiwriteupvuldb.com/submit/779145exploitgithub.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_rtLogServer_cmd_injectreftotolink.net