PT-2023-7920 · D Link · D-Link Dir-850L

Published 2023-12-08 · Updated 2023-12-22 · CVE-2023-49004

Positive Technologies (AI Summary)

CVSS v2.0

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions D-Link DIR-850L version B1 FW223WWb01

Description The issue is related to the firmware of D-Link DIR-850L routers, specifically version B1 FW223WWb01, where a remote attacker can execute arbitrary code via a crafted script to the en parameter. This allows the attacker to perform unauthorized actions on the device.

Recommendations For D-Link DIR-850L version B1 FW223WWb01, consider disabling access to the en parameter until a patch is available. As a temporary workaround, restrict access to the vulnerable module to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Command Injection

OS Command Injection

Code Injection

Weakness Enumeration

CWE-77

CWE-78

CWE-94

Related Identifiers

BDU:2023-08998

CVE-2023-49004

Affected Products

D-Link Dir-850L

References · 11

• https://bdu.fstec.ru/vul/2023-08998 · Security Note
• https://osv.dev/vulnerability/CVE-2023-49004 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-49004 · Security Note
• https://github.com/ef4tless/vuln/blob/master/iot/DIR-850L/bug1.md · Note
• https://debricked.com/vulnerability-database/vulnerability/CVE-2023-49004 · Note
• https://tenable.com/cve/CVE-2023-49004 · Note
• https://t.me/cvenotify/65004 · Telegram Post
• https://cxsecurity.com/cveshow/CVE-2023-49004 · Note
• https://twitter.com/CVEnew/status/1737234600760320075 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1737255762655609142 · Twitter Post
• https://t.me/cvenotify/64282 · Telegram Post