CVE-2017-8840

Public Exploit

Description

Debug information disclosure 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. A direct request to cgi-bin/HASync/hasync.cgi?debug=1 shows Master LAN Address, Serial Number, HA Group ID, Virtual IP, and Submitted syncid.

Category

5.3
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 3.84% Top 15%
Third-Party Advisory seclists.org Third-Party Advisory x41-dsec.de
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://seclists.org/bugtraq/2017/Jun/1 third party advisory mailing list
https://www.exploit-db.com/exploits/42130/ exploit
https://www.x41-dsec.de/lab/advisories/x41-2017-005-peplink/ third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2017-8840?
CVE-2017-8840 has been scored as a medium severity vulnerability.
How to fix CVE-2017-8840?
To fix CVE-2017-8840, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-8840 being actively exploited in the wild?
It is possible that CVE-2017-8840 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~4% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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