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Fencer Intel
critical 9.8

CVE-2017-8837 json

Cleartext password storage exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2_380hw6_580h…

published 2017-06-05 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-17779

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.9%
EPSS 4.9% chance of exploitation in 30 days, percentile 92%
public exploits
1
Exploit-DB

Summary

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.

Patch / fix

Timeline

  1. Published
  2. First public exploit (EDB-42130)

Exploit prediction

4.94% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-42130 Peplink Balance Routers 7.0.0-build1904 - SQL Injection / Cross-Site Scripting / Information Disclosure webapps, 2017-06-06

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness
  • CWE-522 Insufficiently Protected Credentials

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.