PT-2023-4979 · D Link · D-Link Dir-815

Hung-Min Sun + 2 · Published 2023-07-18 · Updated 2023-07-28 · CVE-2023-37758

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-815 version 1.01

Description A buffer overflow issue was discovered in the /web/captcha.cgi component of the D-LINK DIR-815 router's firmware. This issue can be exploited by a remote attacker to cause a denial of service. The vulnerability is related to the web/captcha.cgi component, which is susceptible to a stack-based buffer overflow.

Recommendations For D-LINK DIR-815 version 1.01, as a temporary workaround, consider disabling access to the /web/captcha.cgi component until a patch is available. Restrict access to this component 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

Buffer Overflow

Weakness Enumeration

CWE-120

Related Identifiers

BDU:2023-05518

CVE-2023-37758

Affected Products

D-Link Dir-815

References · 8

• 🔥 https://hackmd.io/@pSgS7xsnS5a4K7Y0yiB43g/rJr8oNn_n · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2023-37758 · Security Note
• https://bdu.fstec.ru/vul/2023-05518 · Security Note
• https://dlink.com/en/security-bulletin · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-37758 · Vendor Advisory
• https://t.me/cibsecurity/66951 · Telegram Post
• https://support.dlink.ca/productinfo.aspx?m=dir-815 · Note
• https://hackmd.io/%40pSgS7xsnS5a4K7Y0yiB43g/rJr8oNn_n · Note