CVE-2017-8835

CRITICALNVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2022-05-17. NVD baseline CVSS 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Weaponized
9.8EG
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 62%
  • Public exploit code is available (Metasploit, epss top5pct, epss high, public exploit)
CISA-KEV: Not listedEPSS PROB: 62%CVSS: 9.8Exploit: Metasploit · epss top5pct · epss high · public exploitExposed services: Not assessed

A fix is available — apply it.

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.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
75
EG Risk 75/100CISA SSVC

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation65% × 40%
Automatability30% × 15%
CISA SSVC: Track at low, Track* at medium and Attend at high mission impact.
Action: A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.
EPSS PROB
62%
EPSS %ILE
99th
KEV
Not listed

CISA SSVCTrack at low, Track* at medium and Attend at high mission impact.

A fix is available. Apply it within your standard update timelines at low or medium mission impact and sooner than that at high.

Exploitation public PoC (EG-KEV: weaponized) · Automatable unknown (not published for this CVE) · Technical impact total (CVSS ≥ 9.0). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

June 5, 2017

Last Modified

June 17, 2026

Advisory Details (3)

Auto-updated Oct 5, 2026
🔬 Proof of concept available. Patch available.
generic

Advisory X41-2017-005: Multiple Vulnerabilities in Peplink Balance Routers | X41 D-Sec - Penetration Tests and Source Code Audits

https://www.x41-dsec.de/lab/advisories/x41-2017-005-peplink/
generic🟡 PoC Available

Peplink Balance Routers 7.0.0-build1904 - SQL Injection / Cross-Site Scripting / Information Disclosure - CGI webapps Exploit

https://www.exploit-db.com/exploits/42130/
generic

Bugtraq: X41-2017-005 - Multiple Vulnerabilities in peplink balance routers

http://seclists.org/bugtraq/2017/Jun/1

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 4× in last 7d / 18× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 138 total refreshes for this CVE.

  1. 2026-10-03 14:21 UTCEPSS rescore
  2. 2026-10-03 14:21 UTCEPSS rescore
  3. 2026-09-30 14:59 UTCEPSS rescore
  4. 2026-09-30 09:44 UTCEG score recompute
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  1. 2026-08-26 14:41 UTCEPSS rescore
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  18. 2026-07-23 14:15 UTCEPSS rescore
  19. 2026-07-23 01:31 UTCEG score recompute
  20. 2026-07-22 22:10 UTCEG score recompute
  21. 2026-07-22 14:04 UTCEPSS rescore
  22. 2026-07-21 15:21 UTCEPSS rescore
  23. 2026-07-20 17:04 UTCEPSS rescore
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  27. 2026-07-18 10:01 UTCEPSS rescore
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  44. 2026-06-28 04:53 UTCEPSS rescore
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  46. 2026-06-27 03:06 UTCEPSS rescore
  47. 2026-06-25 13:47 UTCEPSS rescore
  48. 2026-06-23 21:30 UTCEPSS rescore
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  50. 2026-06-22 14:23 UTCEPSS rescore
  51. 2026-06-22 14:23 UTCEPSS rescore
  52. 2026-06-21 01:57 UTCEPSS rescore
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  54. 2026-06-19 19:23 UTCEPSS rescore
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  64. 2026-06-11 13:57 UTCEPSS rescore
  65. 2026-06-10 22:15 UTCEPSS rescore
  66. 2026-06-10 13:19 UTCEPSS rescore
  67. 2026-06-07 15:22 UTCEPSS rescore
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  69. 2026-06-06 13:45 UTCEPSS rescore
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  71. 2026-06-05 22:44 UTCEPSS rescore
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  73. 2026-06-05 06:08 UTCEPSS rescore
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  75. 2026-06-04 13:10 UTCEPSS rescore

Publicly available exploits

(2 references)

Working exploit code is in the public domain (1 Metasploit module) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Metasploitauxiliary/gather/peplink_bauth_sqli✓ verified
    First seen Jan 1, 2017

    Peplink Balance routers SQLi

    Open source ↗
  • Exploit-DBEDB-42130
    First seen Jun 6, 2017

    Peplink Balance Routers 7.0.0-build1904 - SQL Injection / Cross-Site Scripting / Information Disclosure

    Open source ↗

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2017-8835?
CVE-2017-8835 is a critical vulnerability published on June 5, 2017. SQL injection exists on Peplink Balance 305, 380, 580, 710, 1350, and 2500 devices with firmware before fw-b305hw2380hw6580hw2710hw31350hw2_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…
When was CVE-2017-8835 disclosed?
CVE-2017-8835 was first published on June 5, 2017, with the most recent update on June 17, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-8835 actively exploited?
CVE-2017-8835 is not currently on CISA's Known Exploited Vulnerabilities catalog. EchelonGraph's EG-KEV model classifies it as weaponized: a functional public exploit exists. FIRST EPSS estimates a 62% probability of exploitation in the next 30 days (99th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2017-8835?
CVE-2017-8835 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2017-8835?
A fix for CVE-2017-8835 is available: update to the fixed version the vendor names in its advisory.

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