PT-2024-38119 · Totolink · Totolink A3100R

Yhryhryhr_Tu · Published 2024-07-28 · Updated 2024-08-08 · CVE-2024-7157

Positive Technologies (AI Summary)

CVSS v2.0

9.0

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TOTOLINK A3100R version 4.1.2cu.5050 B20200504

Description A critical issue affects the function getSaveConfig of the file /cgi-bin/cstecgi.cgi?action=save&setting. The manipulation of the argument http host leads to buffer overflow. It is possible to initiate the attack remotely. The issue has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Recommendations For TOTOLINK A3100R version 4.1.2cu.5050 B20200504, as a temporary workaround, consider disabling the getSaveConfig function until a patch is available. Restrict access to the /cgi-bin/cstecgi.cgi?action=save&setting endpoint to minimize the risk of exploitation. Avoid using the http host argument in the affected endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

CVE-2024-7157

Affected Products

Totolink A3100R

References · 9

• 🔥 https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/A3100R/getSaveConfig.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2024-7157 · Security Note
• https://osv.dev/vulnerability/CVE-2024-7157 · Vendor Advisory
• https://t.me/cvedetector/1771 · Telegram Post
• https://t.me/cvenotify/87663 · Telegram Post
• https://vuldb.com/?ctiid.272571 · Note
• https://vuldb.com/?id.272571 · Note
• https://vuldb.com/?submit.377542 · Note
• https://t.me/cvenotify/89900 · Telegram Post