What’s Vulnerable › Vulnerabilities

CVE-2026-7720: Totolink WA300 POST Request cstecgi.cgi setLanguageCfg command injection

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-04 · updated 2026-10-26
• Weakness: CWE-74

Description

A weakness has been identified in Totolink WA300 5.2cu.7112_B20190227. The impacted element is the function setLanguageCfg of the file /cgi-bin/cstecgi.cgi of the component POST Request Handler. This manipulation of the argument langType causes command injection. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks.

Affected products

• Totolink WA300: 5.2cu.7112_B20190227

References

• https://lavender-bicycle-a5a.notion.site/TOTOLINK-WA300-setLanguageCfg-34553a41781f8007b6c5c7964d424286
• https://vuldb.com/submit/807198
• https://vuldb.com/vuln/360896
• https://vuldb.com/vuln/360896/cti
• https://www.totolink.net/

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