Path Traversal in Peplink 1350hw2 Firmware

CVE-2017-8841

Arbitrary file deletion exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2_380hw6_580hw2_710hw3_1350hw2_2500-7.0.1-build2093. The attack methodology is absolute path traversal in cgi-bin/MANGA/firmware_process.cgi via the upfile.path parameter.

Vulnerability class: Path Traversal (Directory Traversal)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H.

EPSS exploit prediction

EPSS: 0.037 (89.4th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-8841: held from 0.037 to 0.037.

EPSS over last 30 days · oldest: 0.037 · newest: 0.037 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-8841?
CVE-2017-8841 is a high-severity vulnerability in Peplink 1350hw2 Firmware, classified under Path Traversal. CVSS score: 8.1/10. Published 2017-06-05.
How severe is CVE-2017-8841?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2017-8841 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.