PT-2022-12378 · Totolink · Totolink X5000R

Published 2022-02-04 · Updated 2023-08-08 · CVE-2021-45736

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions TOTOLINK X5000R version 9.1.0u.6118 B20201102

Description A stack overflow was discovered in the setL2tpServerCfg function, allowing attackers to cause a Denial of Service (DoS) via the eip, sip, server parameters.

Recommendations For TOTOLINK X5000R version 9.1.0u.6118 B20201102, consider disabling the setL2tpServerCfg function as a temporary workaround to minimize the risk of exploitation. Restrict access to the parameters eip, sip, and server to prevent potential attacks. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Related Identifiers

CVE-2021-45736

Affected Products

Totolink X5000R

References · 4

• 🔥❌ https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_9/9.md · Exploit, Deleted
• https://osv.dev/vulnerability/CVE-2021-45736 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-45736 · Security Note
• https://t.me/cibsecurity/36829 · Telegram Post