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Fencer Intel
medium 6.3

CVE-2025-8956 json

D-Link DIR‑818L ssdpcgi cgibin getenv command injection

published last yr. modified 4mo ago also EUVD-2025-24799

cvss
6.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
27.1%
EPSS 27.1% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

A vulnerability was found in D-Link DIR‑818L up to 1.05B01. This issue affects the function getenv of the file /htdocs/cgibin of the component ssdpcgi. The manipulation leads to command injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
last yr.

Exploit prediction

27.08% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • github.com https://github.com/LonTan0/CVE/blob/main/Remote%20Arbitrary%20Command%20Execution%20Vulnerability%20in%20ssdpcgi%20of%20D-Link%20DIR%E2%80%91818L.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 5.3 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA 3.0 6.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA 4.0 2.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 6.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

  • D-Link DIR‑818L

Classification

Weakness
  • CWE-77 Improper Neutralization of Special Elements used in a Command
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

Sources

Fencer Intel 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.