CVE-2025-10666

criticalpriority · attend · 50EPSS 0.034 · 89 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

3.37% (89th) EPSS

CVSS 9.8 · critical

Is it mine?

15 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

A security flaw has been discovered in D-Link DIR-825 up to 2.10. Affected by this vulnerability is the function sub_4106d4 of the file apply.cgi. The manipulation of the argument countdown_time results in buffer overflow. The attack can be executed remotely. The exploit has been released to the public and may be exploited. This vulnerability only affects products that are no longer supported by the maintainer.

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 7.4–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v2.09highAV:N/AC:L/Au:S/C:C/I:C/A:Csecondary · cna@vuldb.comexploitability 8 · impact 10

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

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · cna@vuldb.comexploitability 2.8 · impact 5.9

v4.08.7highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:Psecondary · ENISA EU

v4.07.4highCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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:Xsecondary · cna@vuldb.com

ssvc

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

Exploitation: poc · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-120USprimaryCWE-119USCWE-120US

exploits (1)

Public proof-of-concept and weaponised exploit code.

EDB-52469D-Link DIR-825 Rev.B 2.10 - Stack Buffer Overflow (DoS)PoC · exploit_db

affected products (15)

Products and version ranges known to be affected.

D-LINK Router DIR-825 <=2.10.all versionscert_bundDE
D-LINK Router≤ DIR-825 <=2.10.cert_bundDE
D-Link DIR-825≤ 2.10enisa_euvdEU
D-Link DIR-825≤ 2.5enisa_euvdEU
D-Link DIR-825≤ 2.4enisa_euvdEU
D-Link DIR-825≤ 2.2enisa_euvdEU
D-Link DIR-825≤ 2.6enisa_euvdEU
D-Link DIR-825≤ 2.1enisa_euvdEU
D-Link DIR-825≤ 2.8enisa_euvdEU
D-Link DIR-825≤ 2.9enisa_euvdEU
D-Link DIR-825≤ 2.7enisa_euvdEU
D-Link DIR-825≤ 2.3enisa_euvdEU
D-Link DIR-825≤ 2.0enisa_euvdEU
D-Link Corp. DIR-825≤ 2.10fstec_bduRU
dlink dir-825 firmware≤ 2.10nvdUScpe:2.3:o:dlink:dir-825_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2025-2102D-LINK Router: Schwachstelle ermöglicht CodeausführungDeutsch2025-09-21csaf · cert_bundDE
Ein entfernter, authentisierter Angreifer kann eine Schwachstelle in D-LINK Router ausnutzen, um Code auszuführen.

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 2025-09-18modified 2026-06-17

related (5,669)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2025-43520US	medium5.5OT critical	0.43% (37th)	KEV	2025-12-12
A memory corruption issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Sequoia 15.7.2, macOS So…
CVE-2025-20333US	—OT critical	71.2% (99th)	KEV	2025-09-25
A vulnerability in the VPN web server of Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an aut…
CVE-2025-39682US	critical9.8OT critical	3.25% (88th)	KEV	2025-09-05
In the Linux kernel, the following vulnerability has been resolved: tls: fix handling of zero-length records on the rx_list Each recvmsg() call must process either - only contig…
CVE-2025-31277US	—OT critical	1.66% (77th)	KEV	2025-07-30
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Proc…
CVE-2025-24985US	—OT critical	3.89% (90th)	KEV	2025-03-11
Integer overflow or wraparound in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.

+5664 more

references (20)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan