CVE-2025-5623

highpriority · track · 6EPSS 0.185 · 97 %ileDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

18.5% (97th) EPSS

CVSS 10 · high

Is it mine?

6 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A vulnerability was found in D-Link DIR-816 1.10CNB05. It has been classified as critical. This affects the function qosClassifier of the file /goform/qosClassifier. The manipulation of the argument dip_address/sip_address leads to stack-based buffer overflow. It is possible to initiate 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.

cvss

Technical severity, 0–10. One row per scoring source.

10.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–10

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Csecondary · cna@vuldb.comexploitability 10 · impact 10

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · cna@vuldb.comexploitability 3.9 · impact 5.9

v4.09.3criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.09.3criticalCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/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:Xsecondary · cna@vuldb.com

v4.08.1highCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/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:Xsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-787USprimaryCWE-119USCWE-119USCWE-121USCWE-121US

affected products (6)

Products and version ranges known to be affected.

D-LINK Router DIR-815all versionscert_bundDEcpe:/h:d-link:router:dir-815
D-LINK Router DIR-816all versionscert_bundDEcpe:/h:d-link:router:dir-816
D-LINK Router DIR-867all versionscert_bundDEcpe:/h:d-link:router:dir-867
D-Link DIR-816≤ 1.10CNB05enisa_euvdEU
D-Link Corp. DIR-618≤ 1.10CNB05fstec_bduRU
dlink dir-816 firmware= 1.10cnb05nvdUScpe:2.3:o:dlink:dir-816_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-1412D-LINK Router DIR-815, DIR-815 und DIR-867: Mehrere SchwachstellenDeutsch2025-06-26csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in verschiedenen D-LINK Routern ausnutzen, um beliebigen Programmcode auszuführen, Informationen offenzulegen oder Daten zu manipulieren.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund nvd NVD CVE.org MITRE

published 2025-06-05modified 2026-06-17

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+16120 more

references (11)

External citations — patches, advisories, analysis.

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