Buffer overflow in D-Link Dir-X3260
CVE-2023-44419
D-Link DIR-X3260 Prog.cgi Stack-based Buffer Overflow Remote Code Execution Vulnerability. This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-X3260 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the prog.cgi binary, which handles HNAP requests made to the lighttpd webserver. The issue results from the lack of proper validation of the length an 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. Was ZDI-CAN-20774.
Vulnerability class: Buffer Overflow
EPSS: 0.007 (51.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- D-link Dir-x3260 — versions 1.02B02
- Dlink Dir-x3260
- Dlink Dir-x3260_firmware
Weakness classification (CWE)
References
- zdi-disclosures@trendmicro.com (x_research-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-44419?
- CVE-2023-44419 is a high-severity vulnerability in D-Link Dir-X3260, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2024-05-03.
- How severe is CVE-2023-44419?
- High severity. CVSS v3 base score is 8.8 out of 10.