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Fencer Vulns
critical 9.8

CVE-2024-42812 in the critical feed json

In D-Link DIR-860L v2.03, there is a buffer overflow vulnerability due to the lack of length verification for the SID field in gena.cgi.

published 2024-08-19 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-39804

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
15.5%
EPSS 15.5% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

In D-Link DIR-860L v2.03, there is a buffer overflow vulnerability due to the lack of length verification for the SID field in gena.cgi. Attackers who successfully exploit this vulnerability can cause the remote target device to crash or execute arbitrary commands.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
total
Assessed
2 y ago

Exploit prediction

15.51% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • gist.github.com https://gist.github.com/XiaoCurry/574ed9c2b0d12cd0b45399116d82121c referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CISA ADP 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

  • dlink dir-860l_firmware

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.