D-Link DIR-825 up to 2.10 apply.cgi sub_4106d4 countdown_time buffer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.9$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in D-Link DIR-825 up to 2.10. Affected by this issue is the function sub_4106d4 of the file apply.cgi. This manipulation of the argument countdown_time causes buffer overflow. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is tracked as CVE-2025-10666. The attack is possible to be carried out remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability has been found in D-Link DIR-825 up to 2.10 and classified as critical. Affected by this vulnerability is the function sub_4106d4 of the file apply.cgi. The manipulation of the argument countdown_time with an unknown input leads to a buffer overflow vulnerability. The CWE definition for the vulnerability is CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. As an impact it is known to affect confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-10666. The exploitation appears to be easy. The attack can be launched remotely. Technical details and also a public exploit are known. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/03/2026).

It is possible to download the exploit at github.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (52469) and CERT Bund (WID-SEC-2025-2102). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • D-LINK Router

Productinfo

Type

Vendor

Name

Version

License

Support

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 8.9

VulDB Base Score: 8.8
VulDB Temp Score: 8.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔒

CNA Base Score: 8.8
CNA Vector: 🔒

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Exploit-DB: 🔒

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

09/18/2025 Advisory disclosed
09/18/2025 +0 days VulDB entry created
02/03/2026 +138 days VulDB entry last update

Sourcesinfo

Vendor: dlink.com

Advisory: github.com
Status: Not defined

CVE: CVE-2025-10666 (🔒)
GCVE (CVE): GCVE-0-2025-10666
GCVE (VulDB): GCVE-100-324787
CERT Bund: WID-SEC-2025-2102 - D-LINK Router: Schwachstelle ermöglicht Codeausführung

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/18/2025 07:33
Updated: 02/03/2026 23:51
Changes: 09/18/2025 07:33 (58), 09/22/2025 23:53 (7), 02/03/2026 06:29 (1), 02/03/2026 23:51 (41)
Complete: 🔍
Submitter: panda_0x1
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #652047: D-Link DIR-825 Rev.B 2.10 Buffer Overflow (by panda_0x1)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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