CVE-2019-15271 (GCVE-0-2019-15271)

Vulnerability from cvelistv5 – Published: 2019-11-26 03:12 – Updated: 2025-10-21 23:35
Title
Cisco Small Business RV016, RV042, RV042G, and RV082 Routers Arbitrary Command Execution Vulnerability
Summary
A vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an authenticated, remote attacker to execute arbitrary commands with root privileges. The attacker must have either a valid credential or an active session token. The vulnerability is due to lack of input validation of the HTTP payload. An attacker could exploit this vulnerability by sending a malicious HTTP request to the web-based management interface of the targeted device. A successful exploit could allow the attacker to execute commands with root privileges.
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
Cisco Cisco Small Business RV Series Router Firmware Affected: unspecified , < n/a (custom)
Create a notification for this product.
Date Public
2019-11-06 00:00
CISA KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2019-15271

Status: Confirmed

Status Updated: 2022-06-08 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2022-06-08
Asserted: 2022-06-08

Scope
Notes: KEV entry: Cisco RV Series Routers Deserialization of Untrusted Data Vulnerability | Affected: Cisco / RV Series Routers | Description: A deserialization of untrusted data vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an attacker to execute code with root privileges. | Required action: Apply updates per vendor instructions. | Due date: 2022-06-22 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://nvd.nist.gov/vuln/detail/CVE-2019-15271

Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev


Details
Cwes CWE-502
Feed CISA Known Exploited Vulnerabilities Catalog
Product RV Series Routers
Due Date 2022-06-22
Date Added 2022-06-08
Vendorproject Cisco
Vulnerabilityname Cisco RV Series Routers Deserialization of Untrusted Data Vulnerability
Knownransomwarecampaignuse Unknown

References

Created: 2026-02-02 12:27 UTC | Updated: 2026-02-06 07:17 UTC
KEVintel KEV
Known Exploited Vulnerability - GCVE BCP-07 Compliant

Vulnerability ID: CVE-2019-15271

Status: Confirmed

Status Updated: 2022-06-08 00:00 UTC

Exploited: Yes


Timestamps
First Seen: 2022-06-08
Asserted: 2022-06-08

Scope
Notes: KEVIntel entry: Cisco Small Business RV016, RV042, RV042G, and RV082 Routers Arbitrary Command Execution Vulnerability | Affected: Cisco / Cisco Small Business RV Series Router Firmware | CVSS: 8.8 (HIGH) | Used in malware: unknown | Not yet in CISA KEV: False

Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: kevintel


Details
Feed KEVIntel (kevintel.com)
Title Cisco Small Business RV016, RV042, RV042G, and RV082 Routers Arbitrary Command Execution Vulnerability
Vendor Cisco
Product Cisco Small Business RV Series Router Firmware
Added Date 2022-06-08T00:00:00.000Z
Cvss Score 8.8
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware unknown
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False

References

Created: 2026-06-19 12:47 UTC | Updated: 2026-06-19 12:47 UTC
Show details on NVD website

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      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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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.

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Detection rules are retrieved from Rulezet.

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