TP-Link Deco BE25 up to 1.1.1 Web Module path traversal

Summaryinfo

A vulnerability has been found in TP-Link Deco BE25 up to 1.1.1 and classified as critical. Affected is an unknown function of the component Web Module. Performing a manipulation results in path traversal. This vulnerability is known as CVE-2026-0655. Access to the local network is required for this attack. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in TP-Link Deco BE25 up to 1.1.1. This affects an unknown part of the component Web Module. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in TP-Link Deco BE25 v1.0 (web modules) allows authenticated adjacent attacker to read arbitrary files or cause denial of service.  This issue affects Deco BE25 v1.0: through 1.1.1 Build 20250822.

The weakness was published by jro. It is possible to read the advisory at tp-link.com. This vulnerability is uniquely identified as CVE-2026-0655 since 01/06/2026. The exploitability is told to be easy. The attack needs to be done within the local network. The exploitation requires an enhanced level of successful authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

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

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

Productinfo

Vendor

• TP-Link

Name

• Deco BE25

Version

• 1.1.0
• 1.1.1

License

• commercial

Website

• Vendor: https://www.tp-link.com/

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

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

Discussion