PT-2024-1321 · Totolink · Totolink N200Re

Jylsec · Published 2024-01-29 · Updated 2024-05-17 · CVE-2024-0998

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 N200RE versions 9.3.5u.6139 B20201216

Description The issue is related to a stack-based buffer overflow in the setDiagnosisCfg() function of the /cgi-bin/cstecgi.cgi file, caused by the manipulation of the ip argument. This can be exploited remotely, potentially affecting the confidentiality, integrity, and availability of protected information.

Recommendations For Totolink N200RE version 9.3.5u.6139 B20201216, as a temporary workaround, consider disabling the setDiagnosisCfg() function until a patch is available. Restrict access to the /cgi-bin/cstecgi.cgi file to minimize the risk of exploitation. Avoid using the ip argument in the affected API 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

Stack Overflow

Buffer Overflow

Weakness Enumeration

CWE-121

CWE-119

Related Identifiers

BDU:2024-00772

CVE-2024-0998

Affected Products

Totolink N200Re

References · 9

• 🔥 https://jylsec.notion.site/TOTOLINK-N200RE-has-stack-buffer-overflow-vulnerability-in-setDiagnosisCfg-b2d36451543e4c6da063646721a24604?pvs=4 · Exploit
• https://bdu.fstec.ru/vul/2024-00772 · Security Note
• https://osv.dev/vulnerability/CVE-2024-0998 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-0998 · Security Note
• https://vuldb.com/?ctiid.252267 · Note
• https://twitter.com/RedPacketSec/status/1752634111108284673 · Twitter Post
• https://vuldb.com/ru/?id.252267 · Note
• https://t.me/cvenotify/69048 · Telegram Post
• https://vuldb.com/?id.252267 · Note