Buffer overflow in D-Link Dnr-202l
CVE-2024-7831
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability has been found in D-Link DNS-120, DNR-202L, DNS-315L, DNS-320, DNS-320L, DNS-320LW, DNS-321, DNR-322L, DNS-323, DNS-325, DNS-326, DNS-327L, DNR-326, DNS-340L, DNS-343, DNS-345, DNS-726-4, DNS-1100-4, DNS-1200-05 and DNS-1550-04 up to 20240814 and classified as critical. Affected by this vulnerability is the function cgi_get_cooliris of the file /cgi-bin/photocenter_mgr.cgi. The manipulation of the argument path leads to buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed that the product is end-of-life. It should be retired and replaced.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.018 (78.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- D-Link Dnr-202l — versions 20240814
- D-Link Dnr-322l — versions 20240814
- D-Link Dnr-326 — versions 20240814
- D-Link Dns-1100-4 — versions 20240814
- D-Link Dns-120 — versions 20240814
- D-Link Dns-1200-05 — versions 20240814
- D-Link Dns-1550-04 — versions 20240814
- D-Link Dns-315l — versions 20240814
- D-Link Dns-320 — versions 20240814
- D-Link Dns-320l — versions 20240814
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vuldb.com/ (Permissions Required, technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/BuaaIOTTeam/Iot_Dlink_NAS/blob/main/DNS_cgi_get_cooliris.md (Exploit, exploit)
- supportannouncement.us.dlink.com/security/publication.aspx (related, Vendor Advisory)
Frequently asked questions
- What is CVE-2024-7831?
- CVE-2024-7831 is a high-severity vulnerability in D-Link Dnr-202l, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 8.8/10. Published 2024-08-15.
- How severe is CVE-2024-7831?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2024-7831 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.