What is CVE-2022-27277?

CVE-2022-27277 is a critical-severity vulnerability in Inhandnetworks Inrouter 900, classified under Path Traversal. CVSS score: 9.1/10. Published 2022-04-10.

How severe is CVE-2022-27277?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Is CVE-2022-27277 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Path Traversal in Inhandnetworks Inrouter 900

CVE-2022-27277

InHand Networks InRouter 900 Industrial 4G Router before v1.0.0.r11700 was discovered to contain an arbitrary file deletion vulnerability via the function sub_17C08.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2022-04-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.014 (70.9th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 71st percentile — 70.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-22 — Path Traversal

Public proof-of-concept exploits

References

github.com/wu610777031/IoT_Hunter/blob/main/Inhand InRouter 900 Industrial 4G R…
drive.google.com/drive/folders/1MPtl6pGa7GMIT1-jg69YUGSQdVTfbnay (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-27277?: CVE-2022-27277 is a critical-severity vulnerability in Inhandnetworks Inrouter 900, classified under Path Traversal. CVSS score: 9.1/10. Published 2022-04-10.
How severe is CVE-2022-27277?: Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2022-27277 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.