CVE-2020-8958
High PUBLISHEDGuangzhou 1GE ONU V2801RW 1.9.1-181203 through 2.9.0-181024 and V2804RGW 1.9.1-181203 through 2.9.0-181024 devices allow remote attackers to...
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
Guangzhou 1GE ONU V2801RW 1.9.1-181203 through 2.9.0-181024 and V2804RGW 1.9.1-181203 through 2.9.0-181024 devices allow remote attackers to execute arbitrary OS commands via shell metacharacters in the boaform/admin/formPing Dest IP Address field.
- CVE Published
- Jul 15, 2020
- Exploitation Reported
- Jul 10, 2026
- CVSS
- 7.2 High
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| n/a |
n/a
|
n/a |
Affected |
CVE References
- gpononu.com/dual-mode-onu/1GE-Router-WiFi-ONU.html gpononu.com · CVE Record https://www.gpononu.com/dual-mode-onu/1GE-Router-WiFi-ONU.html
- gpononu.com/gpon-ont/4ge-epon-onu-v2804ew.html gpononu.com · CVE Record https://www.gpononu.com/gpon-ont/4ge-epon-onu-v2804ew.html
- GitHub — qurbat/gpon github.com · CVE Record https://github.com/qurbat/gpon
- karansaini.com/os-command-injection-v-sol karansaini.com · CVE Record https://www.karansaini.com/os-command-injection-v-sol/
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| The Shadowserver First | 2025-10-29 00:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/Au:S/C:C/I:C/A:C
Exploitation Status
Exploited in the wild
Recorded 2026-07-10 00:00:00 UTC · The Shadowserver
Proof of concept available
Recorded 2020-07-15 08:10:01 UTC · GitHub
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
github · Created 2021-04-27 15:51:08 UTC · 5 stars
CVE-2020-8958: Authenticated RCE exploit for NetLink HG323
github · Created 2020-07-15 08:10:01 UTC · 7 stars
Proof of concept for arbitrary OS command execution on Guangzhou/V-SOL 1GE ONU devices (CVE-2020-8958)
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC 9 months ago00:00 UTC · 9 months ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
20:13 UTC about 6 years ago20:13 UTC · about 6 years ago
CVE published
Vulnerability disclosed publicly
-
08:10 UTC about 6 years ago08:10 UTC · about 6 years ago
Public PoC available
Public proof-of-concept code published
-
00:00 UTC over 6 years ago00:00 UTC · over 6 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2020-8958
{
"cve_id": "CVE-2020-8958",
"title": "Guangzhou 1GE ONU V2801RW 1.9.1-181203 through 2.9.0-181024 and V2804RGW 1.9....",
"affected_vendor": "Guangzhou",
"affected_product": "1GE ONU V2801RW and V2804RGW",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 7.2,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}