PT-2020-20725 · D Link · D-Link Dsl-2640B

Published 2020-03-05 · Updated 2021-07-21 · CVE-2020-9544

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:H/A:N

Name of the Vulnerable Software and Affected Versions D-Link DSL-2640B E1 EU 1.01

Description An issue was discovered where the administrative interface does not perform authentication checks for a firmware-update POST request. This allows any attacker with access to the administrative interface to install firmware of their choice.

Recommendations For D-Link DSL-2640B E1 EU 1.01, as a temporary workaround, consider restricting access to the administrative interface to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Missing Authentication

Weakness Enumeration

CWE-306

Related Identifiers

CVE-2020-9544

Affected Products

D-Link Dsl-2640B

References · 5

• 🔥 https://ktln2.org/2020/03/05/cve-2020-9544 · Exploit
• https://osv.dev/vulnerability/CVE-2020-9544 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-9544 · Security Note
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://t.me/cvenotify/1382 · Telegram Post