CVE-2020-3269Network attack vector

Root command execution via management stack overflow

Published Jun 18, 2020 · Updated Nov 15, 2024

Stack overflow in the web interface of Cisco RV130W firmware 1.0.3.54 and earlier allows remote authenticated users to execute root commands. The interface applies improper boundary restrictions to user-supplied input in malicious management requests, overflowing a stack buffer. Administrative credentials and access over the local LAN, or through the disabled-by-default remote management feature, are required.

CVSS severity7.2
High
EPSS probability2.59%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stack overflow in the web interface of Cisco RV130W firmware 1.0.3.54 and earlier allows remote authenticated users to execute root commands. The interface applies improper boundary restrictions to user-supplied input in malicious management requests, overflowing a stack buffer. Administrative credentials and access over the local LAN, or through the disabled-by-default remote management feature, are required.

The record

CVE
CVE-2020-3269
Published
Jun 18, 2020
Updated
Nov 15, 2024
Vendor
Cisco
Product
Cisco RV130W Wireless-N Multifunction VPN Router Firmware
Classifications
CWE-787, CWE-119, T1059
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jun 18, 2020CVE publishedPublication date reported by the CVE source.
  2. Nov 15, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=n/a

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Cisco · Cisco RV130W Wireless-N Multifunction VPN Router Firmwareversion=n/a

Published CVSS scores

9.0NIST National Vulnerability DatabaseAV:N/AC:L/Au:S/C:C/I:C/A:C
7.2Cisco Systems, Inc.CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
7.2NIST National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-787Out-of-bounds Write
CWE-119Improper Restriction of Operations within the Bounds of a Memory Buffer
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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