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Fencer Intel
high 7.3

CVE-2025-2359 in the critical feed json

D-Link DIR-823G DDNS Service HNAP1 SetDDNSSettings improper authorization

published last yr. modified 4mo ago also EUVD-2025-6459

cvss
7.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
15.4%
EPSS 15.4% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

A vulnerability classified as critical has been found in D-Link DIR-823G 1.0.2B05_20181207. Affected is the function SetDDNSSettings of the file /HNAP1/ of the component DDNS Service. The manipulation of the argument SOAPAction leads to improper authorization. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. This vulnerability only affects products that are no longer supported by the maintainer.

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CISA SSVC

Exploitation
Proof of concept is public
Automatable
yes
Technical impact
partial
Assessed
last yr.

Exploit prediction

15.40% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • lavender-bicycle-a5a.notion.site https://lavender-bicycle-a5a.notion.site/D-Link-DIR-823G-SetDDNSSettings-1ac53a41781f80d98649dd3cbe106e9b?pvs=4 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
CNA 3.1 7.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 3.0 7.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P
CNA 4.0 6.9 CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/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
NVD 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

  • D-Link DIR-823G

Classification

Weakness
  • CWE-285 Improper Authorization
  • CWE-266 Incorrect Privilege Assignment

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.