PT-2021-18192 · D Link · D-Link Dir-802 A1

Cool-Y · Published 2021-04-12 · Updated 2024-08-03 · CVE-2021-29379

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions: D-Link DIR-802 A1 versions 1.00b05 and earlier

Description: An issue was discovered where Universal Plug and Play (UPnP) is enabled by default on port 1900, allowing an attacker to perform command injection by injecting a payload into the Search Target (ST) field of the SSDP M-SEARCH discover packet. This issue only affects products that are no longer supported by the maintainer.

Recommendations: For D-Link DIR-802 A1 versions 1.00b05 and earlier, consider disabling the UPnP feature on port 1900 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

OS Command Injection

Weakness Enumeration

CWE-78

Related Identifiers

CVE-2021-29379

Affected Products

D-Link Dir-802 A1

References · 7

• 🔥 https://cool-y.github.io/2021/03/02/DIR-802-OS-Command-Injection · Exploit
• https://osv.dev/vulnerability/CVE-2021-29379 · Vendor Advisory
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-29379 · Security Note
• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10206 · Vendor Advisory
• https://t.me/cvenotify/13080 · Telegram Post
• https://t.me/cvenotify/13089 · Telegram Post