DAP-2695: Improper Verification of Cryptographic Signature
CVE-2025-12295 is a high-severity improper verification of cryptographic signature vulnerability in DAP-2695 from D-Link, with a CVSS 3.1 base score of 8.1 out of 10. It can be exploited remotely over the network by an unauthenticated attacker, without any action from a user. Affected DAP-2695 versions: 2.00RC13. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.45% chance of exploitation within 30 days, which is low compared with other CVEs.
High severity with no evidence of exploitation so far.
What to do
- Check which version of DAP-2695 you run against the affected versions below, and install the vendor's latest release.
- Until you can update, restrict network access to the affected service so it is not reachable from untrusted networks.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| D-Link | DAP-2695 | 2.00RC13 | Not stated |
| D-Link | Dap-2695 Firmware | 2.00 | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- HighSuccess depends on conditions outside the attacker's control.
- Privileges required
- NoneNo account or login is needed.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 4.0 | 6.6 | Medium | CNA (vuldb.com) |
| CVSS 3.1 | 6.6 | Medium | CNA (vuldb.com) |
| CVSS 3.1 | 8.1 | High | NVD |
| CVSS 2.0 | 6.8 | Medium | CNA (vuldb.com) |
Official description
A weakness has been identified in D-Link DAP-2695 2.00RC13. The affected element is the function sub_40C6B8 of the component Firmware Update Handler. Executing manipulation can lead to improper verification of cryptographic signature. The attack can be launched remotely. Attacks of this nature are highly complex. The exploitability is described as difficult. The exploit has been made available to the public and could be exploited. This vulnerability only affects products that are no longer supported by the maintainer.
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
More Improper Verification of Cryptographic Signature vulnerabilities (CWE-347)
Timeline
- CVE record published.
- CISA published its SSVC assessment (exploitation: poc, automatable: no, technical impact: total).
- Record last changed materially (score, affected products, status or references).
References
Third-party and government advisories
- vuldb.com/?id.329963Third Party Advisory, VDB Entry
- vuldb.com/?submit.675854Third Party Advisory, VDB Entry
Technical write-ups (may include proof of concept)
- github.com/IOTRes/IOT_Firmware_Update/blob/main/Dlink/DAP-2695_Inte.mdExploit, Third Party Advisory
Other references
- vuldb.com/?ctiid.329963Permissions Required, VDB Entry
- dlink.com/Product
Other vulnerabilities in DAP-2695
- 9.8 Critical severity
- 9.8 Critical severity
Recent Improper Verification of Cryptographic Signature vulnerabilities
- 8.3 High severity
- 7.0 High severity
- 7.8 High severity
- 9.8 Critical severity
- 7.2 High severity
- 7.2 High severity
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