CVE-2020-8958 (GCVE-0-2020-8958)

Vulnerability from cvelistv5 – Published: 2020-07-15 20:13 – Updated: 2024-08-04 10:19
VLAI Shadowserver Previdian
Summary
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.
Severity
7.2 (High)
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CWE
  • n/a
Assigner
References
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: c396c89e-d378-4f37-ae9d-16e0e5188207

Vulnerability ID: CVE-2020-8958

Status: Confirmed

Status Updated: 2026-07-26 00:00 UTC

Exploited: Yes

Characteristics
Severity: 72.0
Timestamps
First Seen: 2023-10-25
Asserted: 2023-10-25
Last Seen: 2026-07-26
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Guangzhou / Guangzhou 1GE ONU (GPON) | Class: router | Severity: High (CVSS 7.2) | IoT: yes | In CISA KEV: no | Honeypot connections on 2026-07-26: 8
Evidence

Type: Honeypot

Signal: In The Wild Attempts

Confidence: 70%

Source: shadowserver

Details
1D 1
Iot yes
Feed Shadowserver Foundation honeypot/exploited-vulnerabilities
Type http-scan
Class router
7D Avg 0
Vendor Guangzhou
30D Avg 0
90D Avg 0
Product Guangzhou 1GE ONU (GPON)
Cisa Kev no
Connections 8
Observation Date 2026-07-26
Vulnerability Class CVSS
Vulnerability Score 7.2
Vulnerability Severity High
References
Created: 2026-07-01 07:17 UTC | Updated: 2026-07-28 01:01 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: a1db9fd5-9701-4a69-b02e-63926220cf6f

Vulnerability ID: CVE-2020-8958

Status: Confirmed

Status Updated: 2025-10-29 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2025-10-29
Asserted: 2025-10-29
Scope
Notes: KEVIntel entry: 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... | Affected: Guangzhou / 1GE ONU V2801RW and V2804RGW | CVSS: 7.2 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title 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...
Vendor Guangzhou
Product 1GE ONU V2801RW and V2804RGW
Added Date 2025-10-29T00:00:00.000Z
Cvss Score 7.2
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-06-19 12:42 UTC | Updated: 2026-06-19 12:42 UTC
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

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