CVE Watchtower

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CVE-2023-20118NVD

Vulnerability Summary

A vulnerability in the web-based management interface of Cisco Small Business Routers RV016, RV042, RV042G, RV082, RV320, and RV325 Routers could allow an authenticated, remote attacker to execute arbitrary commands on an affected device.

This vulnerability is due to improper validation of user input within incoming HTTP packets. An attacker could exploit this vulnerability by sending a crafted HTTP request to the web-based management interface. A successful exploit could allow the attacker to gain root-level privileges and access unauthorized data. To exploit this vulnerability, an attacker would need to have valid administrative credentials on the affected device.

Cisco has not and will not release software updates that address this vulnerability. However, administrators may disable the affected feature as described in the Workarounds ["#workarounds"] section.

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Severity Level
MEDIUM(6.5)
Published Date
Apr 5, 2023
Last Modified
Oct 21, 2025
Exploitation Status
ACTIVE
EPSS Score (30-Day)
Data Pending
Root Weakness (CWE)
Refer to the official MITRE database for detailed architectural specifications regarding this weakness.
CVSS v3.1 Base Metrics — Score 6.5 (MEDIUM)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredHigh
User InteractionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone

Affected & Patched Versions

Affected Versions
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.0.1.17
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.0.2.03
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.1.0.09
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.1.1.19
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.1.1.06
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.2.1.13
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.2.1.14
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.3.1.12
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.3.2.02
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.3.1.10
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.4.2.15
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.4.2.17
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.4.2.19
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.4.2.20
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.4.2.22
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.5.1.05
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.5.1.11
  • Cisco Cisco Small Business RV Series Router Firmware >= 1.5.1.13
Patched Versions
Not provided by cveorg for this CVE.
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🚫Ad-Free — Uninterrupted experience.
🎁7-Day Free Trial — Try Pro or Team, no card required.
📧Email Delivery — Threat intel straight to your inbox.
♾️Unlimited Vendors — Track your entire stack.
🚨All New CVEs — Be the first to know.
📈EPSS Spike Alerts — Catch rising risk before it peaks.
🎯Custom EPSS/CVSS — Filter noise, focus on risk.
🛡️Exploit Intel — A 2nd confirmed-exploit signal beyond KEV.
🐙GitHub Issues — Auto-tracked, no duplicates.
📬Weekly Digest — One clean summary, not inbox spam.
🏷️Watchlist Groups — Tag alerts by team (Infra/AppSec/SOC).
💬Webhooks — Slack & Teams integration.
🔀Smart Routing — Critical alerts to one channel, rest to another.
🚫Ad-Free — Uninterrupted experience.