PT-2021-20887 · Totolink · Totolink A720R

Chuan Qin + 1 · Published 2021-08-05 · Updated 2021-08-12 · CVE-2021-35325

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions: TOTOLINK A720R version 4.1.5cu.470 B20200911

Description: A stack overflow in the checkLoginUser function allows attackers to cause a denial of service.

Recommendations: For TOTOLINK A720R version 4.1.5cu.470 B20200911, as a temporary workaround, consider disabling the checkLoginUser function until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2021-35325

Affected Products

Totolink A720R

References · 4

• 🔥 https://github.com/hurricane618/my_cves/blob/master/router/totolink/A720R_cookie_overflow.md · Exploit
• https://osv.dev/vulnerability/CVE-2021-35325 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-35325 · Security Note
• https://t.me/cibsecurity/26907 · Telegram Post