PT-2025-31005 · D Link · Dir-890L

Nich0Las · Published 2025-07-27 · Updated 2025-07-27 · CVE-2025-8231

Positive Technologies (AI Summary)

CVSS v2.0

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions D-Link DIR-890L versions up to 111b04

Description A critical issue has been identified in D-Link DIR-890L. The vulnerability relates to the processing of the rgbin file within the UART Port component, leading to the exposure of hard-coded credentials. This issue can be exploited on a physical device. The exploit has been publicly disclosed. This vulnerability affects products that are no longer supported by the maintainer.

Recommendations Versions prior to 111b05: At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Using Hardcoded Credentials

Weakness Enumeration

CWE-259

CWE-798

Related Identifiers

BDU:2025-09534

CVE-2025-8231

Affected Products

Dir-890L

References · 10

• 🔥 https://github.com/Nicholas-wei/bug-discovery/blob/main/dlink/dir890-hardcoded/dir890-hardcoded.md · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-8231 · Security Note
• https://osv.dev/vulnerability/CVE-2025-8231 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-09534 · Security Note
• https://vuldb.com/?id.317819 · Note
• https://twitter.com/marcin_brz81183/status/1949468466529898838 · Twitter Post
• https://vuldb.com/?ctiid.317819 · Note
• https://twitter.com/CVEnew/status/1949468682306146624 · Twitter Post
• https://vuldb.com/?submit.622337 · Note
• https://dlink.com · Note