CVE-2026-7208
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductSIP-T33G
PublishedSep 14, 2026
First seenSep 14, 2026
Weakness typeCWE-362Race condition
How to fix
Update
- Yealink SIP-T33G124.87.0.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Yealink SIP-T33G | 124.86.0.0 ≤ v < 124.87.0.0 | 124.87.0.0 |
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