PT-2022-12381 · Totolink · Totolink A720R

Published 2022-02-04 · Updated 2023-08-08 · CVE-2021-45739

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 A720R version 4.1.5cu.470 B20200911

Description A stack overflow was discovered in the Form Login function, allowing attackers to cause a Denial of Service (DoS) via the flag parameter.

Recommendations For TOTOLINK A720R version 4.1.5cu.470 B20200911, consider disabling the Form Login function until a patch is available to prevent exploitation. Restrict access to the flag parameter in the affected function to minimize the risk of a Denial of Service (DoS) attack. At the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

Related Identifiers

CVE-2021-45739

Affected Products

Totolink A720R

References · 5

• 🔥❌ https://github.com/pjqwudi/my_vuln/blob/main/totolink/vuln_5/5.md · Exploit, Deleted
• https://nvd.nist.gov/vuln/detail/CVE-2021-45739 · Security Note
• https://osv.dev/vulnerability/CVE-2021-45739 · Vendor Advisory
• https://t.me/cvenotify/26229 · Telegram Post
• https://t.me/cvenotify/26249 · Telegram Post