CVE-2026-24436: shenzhen tenda technology co., ltd. w30e v2
CVSS: 9.8v3.1CriticalAnalyzed
Published 26-01-2026Last modified 14-05-2026
Vulnerability summary
CVE-2026-24436 is a critical (CVSS 9.8) vulnerability in shenzhen tenda technology co., ltd. w30e v2. EPSS estimates a 0.47% chance of exploitation in the next 30 days, higher than 39.6% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
0.47%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 26-01-2026PublishedVulnerability first disclosed.
- 14-05-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.2Preferred score · CVE.org (CNA)
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:NSourcesAll 2 agree
- NVDNIST9.2CriticalCVSS: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
Critical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
EPSS trend
Probability
0.47%
Chance of exploitation in the next 30 days
Percentile
40%
Versus all other CVEs
30-day change
+0.03 pp
From 0.44% on 21-09-2026
21-09-202621-10-2026
EPSS score0.47%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Shenzhen tenda technology co., ltd.1 product
- w30e v2≤ 16.01.0.19(5037)
Tenda1 product
- w30e_firmware≤ 16.01.0.19\(5037\)
2 vendors · 2 products
References
2 links- www.tendacn.com/product/W30EProduct
- www.vulncheck.com/advisories/tenda-w30e-v2-lacks-rate-limiting-on-authenticationThird Party Advisory