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Vulnerability record · CVE-2017-8837 · published 5 June 2017

CVE-2017-8837: Peplink b305hw2 firmware insufficiently protected credentials vulnerability

Peplink · B305hw2 Firmware

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.

9.8 CVSS 3.0 Critical EPSS 4.9% · top 8.2% CWE-522 · Insufficiently protected credentials
9.8CVSS 3.0 base score, v2 5.0
4.9%EPSS exploitation probability, 30 days
NoNot in CISA KEV
6Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

6 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2017-8835Peplink Balance routers SQL injection via bauth cookiePeplink Balance 305, 380, 580, 710, 1350 and 2500 devices running firmware before 7.0.1-build2093 contain a SQL injection in cgi-bin/MANGA/admin.cgi …EPSS 62%analysed8.8CVE-2017-8836Peplink b305hw2 firmware cross-site request forgery vulnerabilityCSRF 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-bui…EPSS 1.9%8.1CVE-2017-8841Peplink b305hw2 firmware path traversal vulnerabilityArbitrary file deletion exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2_380hw6_580hw2_710hw3_135…EPSS 3.7%6.1CVE-2017-8838Peplink b305hw2 firmware cross-site scripting vulnerabilityXSS via syncid exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2_380hw6_580hw2_710hw3_1350hw2_2500…EPSS 1.8%6.1CVE-2017-8839Peplink b305hw2 firmware cross-site scripting vulnerabilityXSS via orig_url exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2_380hw6_580hw2_710hw3_1350hw2_25…EPSS 1.8%5.3CVE-2017-8840Peplink b305hw2 firmware information exposure vulnerabilityDebug information disclosure exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2_380hw6_580hw2_710hw…EPSS 3.6%9.8CVE-2021-22681Rockwell Logix Designer authentication bypass via weak key verificationRockwell Automation Studio 5000 Logix Designer (v21+) and RSLogix 5000 (v16-20) rely on a key to verify that Logix controllers are talking to genuine…KEVEPSS 64%analysed9.8CVE-2021-30116Kaseya VSA credential disclosure via unauthenticated download pageKaseya VSA before 9.5.7 exposes an unauthenticated download page (dl.asp) that leaks agent credentials and accepts them via GET request. An attacker …KEVEPSS 86%analysed

Source: NIST National Vulnerability Database (record CVE-2017-8837), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.