PT-2026-36749 · Totolink · Wa300

Wxhwxhwxh_Mie · Published 2026-05-04 · Updated 2026-05-04 · CVE-2026-7718

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 An issue exists in the POST Request Handler component where the manipulation of the webWlanIdx argument in the setWebWlanIdx() function of the '/cgi-bin/cstecgi.cgi' endpoint allows for remote command injection. Command injection is a flaw that enables an attacker to execute arbitrary operating system commands on the target device.

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-2026-7718

Affected Products

Wa300

References · 7

• 🔥 https://lavender-bicycle-a5a.notion.site/TOTOLINK-WA300-setWebWlanIdx-34553a41781f800ab40ae0c3d68c78a6?pvs=73 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2026-7718 · Security Note
• https://vuldb.com/vuln/360894/cti · Note
• https://twitter.com/VulmonFeeds/status/2051168112100167810 · Twitter Post
• https://vuldb.com/submit/807196 · Note
• https://totolink.net · Note
• https://vuldb.com/vuln/360894 · Note