Improper Access Controls in D-Link DIR-618 and DIR-605L DDNS Service
CVE-2025-2550

5.3MEDIUM

Key Information:

Vendor
D-link
Status
Dir-618
Dir-605l
Vendor
CVE Published:
20 March 2025

Badges

👾 Exploit Exists🟡 Public PoC

Summary

A vulnerability exists in D-Link DIR-618 and DIR-605L routers regarding their DDNS Service, specifically in the /goform/formSetDDNS functionality. This flaw allows unauthorized access under certain conditions, requiring an attacker to initiate the exploit from within the local network. Unfortunately, this issue is particularly concerning as it affects products that are no longer supported by D-Link, making it harder for users to mitigate the risk.

Affected Version(s)

DIR-605L 2.02

DIR-605L 3.02

DIR-618 2.02

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-2550 - Proof of Concept

References

https://vuldb.com/?id.300164
vdb-entry
https://vuldb.com/?ctiid.300164
signaturepermissions-required
https://vuldb.com/?submit.516792
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

yhryhryhr_tutu (VulDB User)
.