PT-2024-5479 · Totolink · Totolink Ex200

Yhryhryhr_Tu · Published 2024-07-23 · Updated 2024-08-09 · CVE-2024-7335

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 EX200 version 4.0.3c.7646 B20201211

Description A critical issue has been found in the getSaveConfig function of the /cgi-bin/cstecgi.cgi?action=save&setting endpoint, caused by a buffer overflow when handling the http host parameter. This can be exploited remotely by sending a specially crafted POST request, potentially impacting the confidentiality, integrity, and availability of protected information.

Recommendations For TOTOLINK EX200 version 4.0.3c.7646 B20201211, as a temporary workaround, consider restricting access to the /cgi-bin/cstecgi.cgi?action=save&setting endpoint to minimize the risk of exploitation. Avoid using the http host parameter in this endpoint until the issue is resolved. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2024-06128

CVE-2024-7335

Affected Products

Totolink Ex200

References · 8

• 🔥 https://github.com/abcdefg-png/IoT-vulnerable/blob/main/TOTOLINK/EX200/getSaveConfig.md · Exploit
• https://osv.dev/vulnerability/CVE-2024-7335 · Vendor Advisory
• https://bdu.fstec.ru/vul/2024-06128 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-7335 · Security Note
• https://vuldb.com/?id.273258 · Note
• https://vuldb.com/?submit.379313 · Note
• https://vuldb.com/?ctiid.273258 · Note
• https://t.me/cvedetector/2200 · Telegram Post