PT-2018-3875 · D Link · D-Link Dir-619L+2

Published 2018-12-11 · Updated 2023-04-26 · CVE-2018-20056

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-619L Rev.B version 2.06B1 D-Link DIR-605L Rev.B version 2.12B1 D-Link DIR-823G (affected versions not specified)

Description An issue exists in the /bin/boa component of D-Link routers, allowing remote attackers to execute arbitrary code without authentication. This is due to a stack-based buffer overflow vulnerability that can be exploited via the currTime parameter in the "goform/formLanguageChange" endpoint. The vulnerability may allow an attacker to execute arbitrary code remotely.

Recommendations For D-Link DIR-619L Rev.B version 2.06B1, consider disabling the /bin/boa component until a patch is available. For D-Link DIR-605L Rev.B version 2.12B1, restrict access to the "goform/formLanguageChange" endpoint to minimize the risk of exploitation. For D-Link DIR-823G, 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

BDU:2023-02763

CVE-2018-20056

Affected Products

D-Link Dir-605L

D-Link Dir-619L

D-Link Dir-823G

References · 4

• 🔥 https://github.com/WhooAmii/whooamii.github.io/blob/master/2018/DIR-619%20stack%20overflow.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2018-20056 · Security Note
• https://osv.dev/vulnerability/CVE-2018-20056 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-02763 · Security Note