Vulnerability · Published Jan 26, 2026 · Assigned by VulnCheck
CVE-2026-24436Tenda W30E V2 Lacks Rate Limiting on Authentication
Critical 9.2
In plain English
A critical-severity security flaw in W30E V2 from Shenzhen Tenda Technology Co., Ltd.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 40% of all known vulnerabilities).
Severity (CVSS 4.0)9.2Critical
Exploit odds (30 days)0.5%top 59.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) do not enforce rate limiting or account lockout mechanisms on authentication endpoints. This allows attackers to perform unrestricted brute-force attempts against administrative credentials.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Shenzhen Tenda Technology Co., Ltd. | W30E V2 | 0 – through 16.01.0.19(5037) |
Weakness: CWE-307 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N