Buffer overflow in Cisco Small Business Rv Series Router Firmware
CVE-2021-1338
Multiple vulnerabilities in the web-based management interface of Cisco Small Business RV016, RV042, RV042G, RV082, RV320, and RV325 Routers could allow an authenticated, remote attacker to execute arbitrary code or cause an affected devic…
Vulnerability class: Buffer Overflow
EPSS: 0.028 (84.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Cisco Small Business Rv Series Router Firmware — versions n/a
- Cisco Rv016_multi-wan_vpn_router
- Cisco Rv016_multi-wan_vpn_router_firmware
- Cisco Rv042_dual_wan_vpn_router
- Cisco Rv042_dual_wan_vpn_router_firmware
- Cisco Rv042g_dual_gigabit_wan_vpn_router
- Cisco Rv042g_dual_gigabit_wan_vpn_router_firmware
- Cisco Rv082_dual_wan_vpn_router
- Cisco Rv082_dual_wan_vpn_router_firmware
- Cisco Rv320_dual_gigabit_wan_vpn_router
Weakness classification (CWE)
Public proof-of-concept exploits
References
- psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-1338?
- CVE-2021-1338 is a high-severity vulnerability in Cisco Small Business Rv Series Router Firmware, classified under Stack-based Buffer Overflow. CVSS score: 7.2/10. Published 2021-02-04.
- How severe is CVE-2021-1338?
- High severity. CVSS v3 base score is 7.2 out of 10.
- Is CVE-2021-1338 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.