PT-2026-36750 · Totolink · Wa300

Wxhwxhwxh_Mie · Published 2026-05-04 · Updated 2026-05-04 · CVE-2026-7720

Positive Technologies (AI Summary)

CVSS v2.0

6.5

Medium

Base vector

AV:N/AC:L/Au:S/C:P/I:P/A:P

Name of the Vulnerable Software and Affected Versions Totolink WA300 version 5.2cu.7112 B20190227

Description Command injection is possible via remote exploitation in the POST Request Handler component. The issue exists within the setLanguageCfg() function located in the '/cgi-bin/cstecgi.cgi' endpoint, where manipulation of the langType argument allows for the execution of arbitrary commands.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Command Injection

Special Elements Injection

Weakness Enumeration

CWE-77

CWE-74

Related Identifiers

CVE-2026-7720

Affected Products

Wa300

References · 8

• 🔥 https://lavender-bicycle-a5a.notion.site/TOTOLINK-WA300-setLanguageCfg-34553a41781f8007b6c5c7964d424286 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7720 · Security Note
• https://t.me/CVEtracker/52610 · Telegram Post
• https://totolink.net · Note
• https://vuldb.com/submit/807198 · Note
• https://t.me/cveNotify/161970 · Telegram Post
• https://vuldb.com/vuln/360896/cti · Note
• https://vuldb.com/vuln/360896 · Note