peter bassill · operator
$ cve CVE-2017-8839 JSON

CVE-2017-8839 EXPLOIT

6.1
MEDIUM · CVSS 3.0 · EPSS 1.8% (pctl 77)

Patch early

A public exploit exists.

Description

XSS via orig_url 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 affected script is guest/preview.cgi.

Scoring

CVSS6.1 (MEDIUM, v3.0)
VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS1.76% — more likely to be exploited than 77% of all CVEs
WeaknessCWE-79
On CISA KEVno
Public exploityes
Published2017-06-05
Last modified2026-06-17

Affected (12)

VendorProduct
peplink1350hw2 firmware
peplink2500 firmware
peplink380hw6 firmware
peplink580hw2 firmware
peplink710hw3 firmware
peplinkb305hw2 firmware
peplinkbalance 1350
peplinkbalance 2500
peplinkbalance 305
peplinkbalance 380
peplinkbalance 580
peplinkbalance 710

Public exploits

References

→ the Explorer  ·  watch your stack  ·  NVD