CVE-2022-32548
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 34.0% chance of exploitation in the next 30 days (EPSS). Higher than most.
- Fix
- No patch or advisory is linked yet. Look at mitigations or restrict exposure.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: no, CISA does not list it.
- Exploit odds: 34.0% in the next 30 days (EPSS).
- Severity: 10.0 CRITICAL (CVSS).
- Fix: none linked yet, which raises it.
Details
- Published
- Last modified
- Exploit probability
- 34.0% · EPSS, next 30 days
- Weakness
- CWE-120 · Classic buffer overflow
- Record status
- Modified
Affected
- Draytek vigor3910 Firmware < 4.3.1.1
- Draytek vigor1000b Firmware < 4.3.1.1
- Draytek vigor2962 Firmware < 4.3.1.1
- Draytek vigor2962p Firmware < 4.3.1.1
- Draytek vigor2927 Firmware < 4.4.0
- Draytek vigor2927ax Firmware < 4.4.0
- Draytek vigor2927ac Firmware < 4.4.0
- Draytek vigor2927vac Firmware < 4.4.0
Attack profile CVSS 3.1 · 10.0
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2022-32548.md and follow it. Check whether this project is affected by CVE-2022-32548. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
References
- https://www.securityweek.com/smbs-exposed-attacks-critical-vulnerability-draytek-vigor-routers
- https://www.trellix.com/en-us/about/newsroom/stories/threat-labs/rce-in-dratyek-routers.html
- https://www.securityweek.com/smbs-exposed-attacks-critical-vulnerability-draytek-vigor-routers
- https://www.trellix.com/en-us/about/newsroom/stories/threat-labs/rce-in-dratyek-routers.html