Critical severity · published Aug 29, 2022
CVE-2022-32548
An issue was discovered on certain DrayTek Vigor routers before July 2022 such as the Vigor3910 before 4.3.1.1
9.8
CVSS
34%
EPSS
No
On KEV
Description
An issue was discovered on certain DrayTek Vigor routers before July 2022 such as the Vigor3910 before 4.3.1.1. /cgi-bin/wlogin.cgi has a buffer overflow via the username or password to the aa or ab field.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)34.0% · higher than 98% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VF
Vigor1000b Firmware · Draytek
before 4.3.1.1 · source: NVD
VF
Vigor165 Firmware · Draytek
before 4.2.4 · source: NVD
VF
Vigor166 Firmware · Draytek
before 4.2.4 · source: NVD
VF
Vigor2133 Firmware · Draytek
before 3.9.6.4 · source: NVD
VF
Vigor2133ac Firmware · Draytek
before 3.9.6.4 · source: NVD
VF
Vigor2133fvac Firmware · Draytek
before 3.9.6.4 · source: NVD
VF
Vigor2133n Firmware · Draytek
before 3.9.6.4 · source: NVD
VF
Vigor2133vac Firmware · Draytek
before 3.9.6.4 · source: NVD
VF
Vigor2135 Firmware · Draytek
before 4.4.2 · source: NVD
VF
Vigor2135ac Firmware · Draytek
before 4.4.2 · source: NVD
VF
Vigor2135fvac Firmware · Draytek
before 4.4.2 · source: NVD
VF
Vigor2135vac Firmware · Draytek
before 4.4.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-32548
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-32548
Exploit
https://www.securityweek.com/smbs-exposed-attacks-critical-vulnerability-draytek-vigor-routers
Exploit
https://www.trellix.com/en-us/about/newsroom/stories/threat-labs/rce-in-dratyek-routers.html
More from Vigor1000b Firmware
9.8
CVE-2024-51139
Buffer Overflow vulnerability in Vigor2620/LTE200 3.9.8.9 and earlier and Vigor2860/2925 3.9.8 and earlier and Vigor2862/2926 3.9.9.5 and earlier and Vigor2133/2762/2832 3.9.9 and…
9.8
CVE-2024-51138
Vigor165/166 4.2.7 and earlier; Vigor2620/LTE200 3.9.8.9 and earlier; Vigor2860/2925 3.9.8 and earlier; Vigor2862/2926 3.9.9.5 and earlier; Vigor2133/2762/2832 3.9.9 and earlier;…
9.8
CVE-2024-41593
DrayTek Vigor310 devices through 4.3.2.6 allow a remote attacker to execute arbitrary code via the function ft_payload_dns(), because a byte sign-extension operation occurs for…
8.0
CVE-2024-41596
Buffer Overflow vulnerabilities exist in DrayTek Vigor310 devices through 4.3.2.6 (in the Vigor management UI) because of improper retrieval and handling of the CGI form…
8.0
CVE-2024-41592
DrayTek Vigor3910 devices through 4.3.2.6 have a stack-based overflow when processing query string parameters because GetCGI mishandles extraneous ampersand characters and long…