PT-2023-8212 · D Link · D-Link G416

Ina Kheirkhah + 1 · Published 2023-07-28 · Updated 2024-05-03 · CVE-2023-50209

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 G416 (affected versions not specified)

Description The issue is related to a stack-based buffer overflow in the cfgsave function of the HTTP service in D-Link G416 wireless routers. This can be exploited by a remote attacker to execute arbitrary code on the affected device. The vulnerability exists due to the lack of proper validation of the length of user-supplied data prior to copying it to a fixed-length stack-based buffer. An attacker can leverage this vulnerability to execute code in the context of root. The specific flaw exists within the HTTP service listening on TCP port 80.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Stack Overflow

Memory Corruption

Weakness Enumeration

CWE-121

CWE-787

Related Identifiers

BDU:2024-00210

CVE-2023-50209

ZDI-23-1825

Affected Products

D-Link G416

References · 11

• https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10367 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/702968 · Security Note
• https://zerodayinitiative.com/advisories/ZDI-23-1825 · Security Note
• https://osv.dev/vulnerability/CVE-2023-50209 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-50209 · Security Note
• https://safe-surf.ru/upload/VULN-new/VULN.2023-12-22.1.pdf · Security Note
• https://bdu.fstec.ru/vul/2024-00210 · Security Note
• https://twitter.com/TheZDIBugs/status/1737527890810454436 · Twitter Post
• https://twitter.com/CVEnew/status/1786444198016860566 · Twitter Post
• https://cybersecurity-help.cz/vdb/SB2023122131 · Note
• https://twitter.com/VulmonFeeds/status/1737439328291221911 · Twitter Post