THREATPORT/VULNERABILITY/CVE-2017-8837
CRITICAL SEVERITY

CVE-2017-8837

B305hw2 Firmware vulnerability

CVSS
9.8
EPSS
4.9%
EPSS pct
91th
Exploited
No known
Cleartext password storage 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 files in question are /etc/waipass and /etc/roapass. In case one of these devices is compromised, the attacker can gain access to passwords and abuse them to compromise further systems.
Affected vendor
Peplink
Affected product
B305hw2 Firmware
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-522 — Insufficiently Protected Credentials
Published
2017-06-05

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 4.9% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 91% of all scored CVEs.

Check your external exposure to CVE-2017-8837

  • Confirm whether Peplink B305hw2 Firmware is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2017-8837.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-8837

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-8837 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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