Buffer overflow in Cisco Small Business Rv Series Router Firmware
CVE-2024-20523
A vulnerability in the web-based management interface of Cisco Small Business RV042, RV042G, RV320, and RV325 Routers could allow an authenticated, Administrator-level, remote attacker to cause an unexpected reload of an affected device, r…
Vulnerability class: Buffer Overflow
EPSS: 0.005 (38.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Cisco Small Business Rv Series Router Firmware — versions 4.0.2.08-tm, 4.2.3.08, 4.1.1.01
- Cisco Rv042
- Cisco Rv042_firmware — versions 1.0.1.17, 1.0.2.03, 1.1.0.09
- Cisco Rv042g
- Cisco Rv042g_firmware — versions 1.0.1.17, 1.0.2.03, 1.1.0.09
- Cisco Rv320
- Cisco Rv320_firmware — versions 1.0.1.17, 1.0.2.03, 1.1.0.09
- Cisco Rv325
- Cisco Rv325_firmware — versions 1.0.1.17, 1.0.2.03, 1.1.0.09
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (Vendor Advisory)
Frequently asked questions
- What is CVE-2024-20523?
- CVE-2024-20523 is a medium-severity vulnerability in Cisco Small Business Rv Series Router Firmware, classified under Stack-based Buffer Overflow. CVSS score: 6.8/10. Published 2024-10-02.
- How severe is CVE-2024-20523?
- Medium severity. CVSS v3 base score is 6.8 out of 10.
- Is CVE-2024-20523 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.