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ExploitedNot in CISA KEV yet

CVE-2020-8958

Exploitation confirmed. First attested on 2023-10-25 by GCVE · kevintel, GCVE · shadowserver.

  • Published2020-07-15
  • WeaknessCWE-78

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC
  1. 2020-07-1521:15CVE publishedNVD
  2. 2023-10-2514:54Listed as exploited by GCVEGCVE
  3. 2023-10-2514:54Exploitation first reportedGCVE

Observed activity

isMalicious corpus · updated 2026-11-04 09:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-8958?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-8958?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Gpononu 1ge router wifi onu v2801rw firmwareversion to verify
BranchAffectedFixed in
2.9≥ 1.9.1-181203, ≤ 2.9.0-181024no fix published
Gpononu 1ge\+3fe\+wifi onu v2804rgw firmwareversion to verify
BranchAffectedFixed in
2.9≥ 1.9.1-181203, ≤ 2.9.0-181024no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Fix

No fix published by the sources we read yet. NVD record

Detection

read 2026-11-03 22:42 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
3 repositories, unverifiedqurbat/CVE-2020-8958Asjidkalam/CVE-2020-8958krevetkqqq/CVE-2020-8958
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

  • GCVEexploitation2023-10-25
  • NVDCVSS 3.17.2read 2026-10-23
  • NVDCVSS 2.09read 2026-10-23
  • NVDweakness (CWE)CWE-78read 2026-10-23
  • FIRST EPSSEPSS score45.7 %read 2026-11-03
  • PoC-in-GitHubproof of concept3read 2026-11-03

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Published
2020-07-15
Last Modified
2026-06-17
NVD status
Modified

Frequently asked questions

What is CVE-2020-8958?

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.

Is CVE-2020-8958 actively exploited?

Active exploitation of CVE-2020-8958 has not been confirmed. Its EPSS score was 45.7% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-8958?

CVE-2020-8958 has a CVSS v3 base score of 7.2 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

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