SQL injection exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2_380hw6_580hw2_710hw3_135…

published 2017-06-05 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-17777

cvss: 9.8; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 61.6%; EPSS 61.6% chance of exploitation in 30 days, percentile 99.1%
public exploits: 2; Metasploit, Exploit-DB

SQL injection 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. An attack vector is the bauth cookie to cgi-bin/MANGA/admin.cgi. One impact is enumeration of user accounts by observing whether a session ID can be retrieved from the sessions database.

Patch / fix

links 1

x41-dsec.de/lab/advisories/x41-2017-005-peplink/ advisory

Timeline

2017-06-05 Published
2017-06-06 First public exploit (EDB-42130)

Exploit prediction

61.58% chance of exploitation in the next 30 days, higher than 99.1% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

Metasploit auxiliary/gather/peplink_bauth_sqli Peplink Balance routers SQLi metasploit auxiliary, normal rank
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	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-89 Improper Neutralization of Special Elements used in an SQL Command

References

x41-dsec.de /lab/advisories/x41-2017-005-peplink/
patch, third-party-advisory
exploit-db.com /exploits/42130/
exploit
seclists.org /bugtraq/2017/Jun/1
mailing-list, third-party-advisory

Sources

CVE List CVE-2017-8835
NVD CVE-2017-8835

Fencer Vulns 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.

Summary