Buffer overflow in D-Link Dir-1935
CVE-2022-43630
This vulnerability allows network-adjacent attackers to execute arbitrary code on affected installations of D-Link DIR-1935 1.03 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of http requests to the web management portal. When parsing the SOAPAction header, the process does not properly validate 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. Was ZDI-CAN-16150.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.010 (61.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: -0.000
Affected products
- D-Link Dir-1935 — versions 1.03
- Dlink Dir-1935
- Dlink Dir-1935 Firmware — versions 1.03
Weakness classification (CWE)
References
- supportannouncement.us.dlink.com/announcement/publication.aspx (Patch, Vendor Advisory)
- www.zerodayinitiative.com/advisories/ZDI-22-1501/ (VDB Entry, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-43630?
- CVE-2022-43630 is a high-severity vulnerability in D-Link Dir-1935, classified under Stack-based Buffer Overflow. CVSS score: 8.8/10. Published 2023-03-29.
- How severe is CVE-2022-43630?
- High severity. CVSS v3 base score is 8.8 out of 10.