PT-2023-2749 · D Link · D-Link Dir 819

Published 2023-04-15 · Updated 2023-04-21 · CVE-2022-40946

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 D-Link DIR-819 version 1.06

Description The issue is related to incorrect resource cleanup, allowing a remote attacker to trigger a Denial of Service via a specially crafted request to the "cgi-bin/webproc?getpage=html/index.html" endpoint with the sys token parameter.

Recommendations For D-Link DIR-819 version 1.06, as a temporary workaround, consider restricting access to the "cgi-bin/webproc?getpage=html/index.html" endpoint or disabling the use of the sys token parameter until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Resource Exhaustion

Improper Resource Release

Weakness Enumeration

CWE-400

CWE-404

Related Identifiers

BDU:2023-02597

CVE-2022-40946

Affected Products

D-Link Dir 819

References · 12

• 🔥 https://github.com/whokilleddb/dlink-dir-819-dos · Exploit
• 🔥 https://github.com/whokilleddb/dlink-dir-819-dos/blob/main/exploit.py · Exploit
• 🔥 http://packetstormsecurity.com/files/171484/D-Link-DIR-819-A1-Denial-Of-Service.html · Exploit
• 🔥 https://exploit-db.com/exploits/51053 · Exploit
• https://bdu.fstec.ru/vul/2023-02597 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2022-40946 · Security Note
• https://osv.dev/vulnerability/CVE-2022-40946 · Vendor Advisory
• https://t.me/cvenotify/48361 · Telegram Post
• https://dlink.com/en/security-bulletin · Note
• https://vuldb.com/?id.226133 · Note
• https://t.me/cibsecurity/62255 · Telegram Post
• https://packetstormsecurity.com/files/171484/D-Link-DIR-819-A1-Denial-Of-Service.html · Note