Yealink SIP-T33G prior 124.87.0.0 File Deletion Endpoint race condition

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.30

Summaryinfo

A vulnerability classified as critical was found in Yealink SIP-T33G. This issue affects some unknown processing of the component File Deletion Endpoint. Such manipulation leads to race condition. This vulnerability is referenced as CVE-2026-7208. It is possible to launch the attack remotely. No exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Yealink SIP-T33G. It has been rated as critical. Affected by this issue is an unknown function of the component File Deletion Endpoint. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Impacted is availability. CVE summarizes:

Yealink SIP-T33G firmware versions 124.86.x.x prior to 124.87.0.0 contain a race condition vulnerability that allows authenticated attackers to interrupt active diagnostic processes by concurrently deleting output files written to predictable paths under the diagnostic directory. Attackers can trigger a diagnostic operation such as traceroute or ping and simultaneously invoke the file deletion endpoint to terminate the running process, leaving the system in an inconsistent state.

The advisory is available at yealink.com. This vulnerability is handled as CVE-2026-7208 since 04/27/2026. The exploitation is known to be easy. The attack may be launched remotely. The technical details are unknown and an exploit is not available.

Upgrading to version 124.87.0.0 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

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: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (VulnCheck): 🔒

CVSSv2info

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

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: SIP-T33G 124.87.0.0

Timelineinfo

04/27/2026 CVE reserved
09/14/2026 +140 days Advisory disclosed
09/14/2026 +0 days VulDB entry created
09/14/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: yealink.com
Status: Confirmed

CVE: CVE-2026-7208 (🔒)
GCVE (CVE): GCVE-0-2026-7208
GCVE (VulDB): GCVE-100-403550

Entryinfo

Created: 09/14/2026 15:48
Changes: 09/14/2026 15:48 (75)
Complete: 🔍
Cache ID: 216::103

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