Multiple vulnerabilities in Cisco Small Business RV Series Routers
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2022-20827 CVE-2022-20841 CVE-2022-20842 |
| CWE-ID | CWE-77 CWE-119 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Cisco Small Business RV160 Series VPN Router Hardware solutions / Routers & switches, VoIP, GSM, etc Cisco Small Business RV160W Wireless-AC VPN Router Hardware solutions / Routers & switches, VoIP, GSM, etc Cisco Small Business RV260 VPN Router Hardware solutions / Routers & switches, VoIP, GSM, etc Cisco Small Business RV260P VPN Router with POE Hardware solutions / Routers & switches, VoIP, GSM, etc Cisco Small Business RV260W Wireless-AC VPN Router Hardware solutions / Routers & switches, VoIP, GSM, etc Cisco RV340 Dual WAN Gigabit VPN Router Hardware solutions / Routers & switches, VoIP, GSM, etc Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router Hardware solutions / Routers & switches, VoIP, GSM, etc Cisco RV345 Dual WAN Gigabit VPN Router Hardware solutions / Routers & switches, VoIP, GSM, etc Cisco RV345P Dual WAN Gigabit VPN Router Hardware solutions / Routers & switches, VoIP, GSM, etc |
| Vendor | Cisco Systems, Inc |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Command Injection
EUVDB-ID: #VU66106
Risk: High
CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2022-20827
CWE-ID:
CWE-77 - Command injection
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The vulnerability exists due to improper input validation in the web filter database update feature. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary commands on the target system with root privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco Small Business RV160 Series VPN Router: 1.0.01.05
Cisco Small Business RV160W Wireless-AC VPN Router: 1.0.01.05
Cisco Small Business RV260 VPN Router: 1.0.01.05
Cisco Small Business RV260P VPN Router with POE: 1.0.01.05
Cisco Small Business RV260W Wireless-AC VPN Router: 1.0.01.05
Cisco RV340 Dual WAN Gigabit VPN Router: 1.0.03.26
Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router: 1.0.03.26
Cisco RV345 Dual WAN Gigabit VPN Router: 1.0.03.26
Cisco RV345P Dual WAN Gigabit VPN Router: 1.0.03.26
CPE2.3- cpe:2.3:h:cisco_systems:cisco_small_business_rv160_series_vpn_router:1.0.01.05:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_small_business_rv160w_wireless-ac_vpn_router:1.0.01.05:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_small_business_rv260_vpn_router:1.0.01.05:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_small_business_rv260p_vpn_router_with_poe:1.0.01.05:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_small_business_rv260w_wireless-ac_vpn_router:1.0.01.05:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv340_dual_wan_gigabit_vpn_router:1.0.03.26:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv340w_dual_wan_gigabit_wireless-ac_vpn_router:1.0.03.26:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv345_dual_wan_gigabit_vpn_router:1.0.03.26:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv345p_dual_wan_gigabit_vpn_router:1.0.03.26:*:*:*:*:*:*:*
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-mult-vuln-CbVp4SUR
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Command Injection
EUVDB-ID: #VU66107
Risk: High
CVSSv4.0: 7.2 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2022-20841
CWE-ID:
CWE-77 - Command injection
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary commands on the target system.
The vulnerability exists due to improper input validation in the Open Plug and Play (PnP) module. A remote unauthenticated attacker can pass specially crafted data to the application and execute arbitrary commands on the target system with root privileges.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco Small Business RV160 Series VPN Router: 1.0.01.05
Cisco Small Business RV160W Wireless-AC VPN Router: 1.0.01.05
Cisco Small Business RV260 VPN Router: 1.0.01.05
Cisco Small Business RV260P VPN Router with POE: 1.0.01.05
Cisco Small Business RV260W Wireless-AC VPN Router: 1.0.01.05
Cisco RV340 Dual WAN Gigabit VPN Router: 1.0.03.26
Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router: 1.0.03.26
Cisco RV345 Dual WAN Gigabit VPN Router: 1.0.03.26
Cisco RV345P Dual WAN Gigabit VPN Router: 1.0.03.26
CPE2.3- cpe:2.3:h:cisco_systems:cisco_small_business_rv160_series_vpn_router:1.0.01.05:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_small_business_rv160w_wireless-ac_vpn_router:1.0.01.05:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_small_business_rv260_vpn_router:1.0.01.05:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_small_business_rv260p_vpn_router_with_poe:1.0.01.05:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_small_business_rv260w_wireless-ac_vpn_router:1.0.01.05:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv340_dual_wan_gigabit_vpn_router:1.0.03.26:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv340w_dual_wan_gigabit_wireless-ac_vpn_router:1.0.03.26:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv345_dual_wan_gigabit_vpn_router:1.0.03.26:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv345p_dual_wan_gigabit_vpn_router:1.0.03.26:*:*:*:*:*:*:*
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-mult-vuln-CbVp4SUR
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Buffer overflow
EUVDB-ID: #VU66105
Risk: High
CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]
CVE-ID: CVE-2022-20842
CWE-ID:
CWE-119 - Memory corruption
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the web-based management interface. A remote attacker can send a specially crafted HTTP request, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsCisco RV340 Dual WAN Gigabit VPN Router: 1.0.03.26
Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router: 1.0.03.26
Cisco RV345 Dual WAN Gigabit VPN Router: 1.0.03.26
Cisco RV345P Dual WAN Gigabit VPN Router: 1.0.03.26
CPE2.3- cpe:2.3:h:cisco_systems:cisco_rv340_dual_wan_gigabit_vpn_router:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv340_dual_wan_gigabit_vpn_router:1.0.03.26:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv340w_dual_wan_gigabit_wireless-ac_vpn_router:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv340w_dual_wan_gigabit_wireless-ac_vpn_router:1.0.03.26:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv345_dual_wan_gigabit_vpn_router:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv345_dual_wan_gigabit_vpn_router:1.0.03.26:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv345p_dual_wan_gigabit_vpn_router:*:*:*:*:*:*:*:*
- cpe:2.3:h:cisco_systems:cisco_rv345p_dual_wan_gigabit_vpn_router:1.0.03.26:*:*:*:*:*:*:*
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-mult-vuln-CbVp4SUR
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
