CVE-2026-24436

Name: CVE-2026-24436
Creator: NVD / NIST
Published: 2026-01-26T18:16:41.167+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.2/10EPSS 0.42%

Last modified Jun 17, 2026

CVE-2026-24436 is a critical-severity vulnerability rated 9.2/10 on the CVSS scale. 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.. EPSS estimates a 0.42% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS 4.0

9.2/10

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.42%

33.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-307

Affected Software

Vendor	Product	Versions
Tenda	W30e Firmware	<= 16.01.0.19\(5037\)

References

https://www.tendacn.com/product/W30EProduct
https://www.vulncheck.com/advisories/tenda-w30e-v2-lacks-rate-limiting-on-authenticationThird Party Advisory

Timeline

Published: Jan 26, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-24436?

How severe is CVE-2026-24436?

CVE-2026-24436 has a CVSS score of 9.2/10 (CRITICAL severity). The EPSS model estimates a 0.42% probability of exploitation in the next 30 days.

How do I fix CVE-2026-24436?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-24436?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST