What’s Vulnerable › Vulnerabilities

CVE-2026-5178: Totolink A3300R cstecgi.cgi setIptvCfg command injection

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-31 · updated 2026-06-17
• Weakness: CWE-74

Description

A security vulnerability has been detected in Totolink A3300R 17.0.0cu.557_b20221024. Affected by this issue is the function setIptvCfg of the file /cgi-bin/cstecgi.cgi. The manipulation of the argument vlanPriLan3 leads to command injection. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used.

Affected products

• Totolink A3300R: 17.0.0cu.557_b20221024

References

• https://github.com/LvHongW/Vuln-of-totolink_A3300R/tree/main/A3300R_vlanPriLan3_cmd_inject
• https://vuldb.com/submit/779147
• https://vuldb.com/vuln/354246
• https://vuldb.com/vuln/354246/cti
• https://www.totolink.net/

Get alerted when CVE-2026-5178 or the next vulnerability affects your stack