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01 Record

CVE-2022-32548

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

CriticalPUBLISHEDCNA: mitre
CNA base score10.0 CVSS v3.xCVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:N

02 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

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
33.99% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 98.3% of scored records. A rank, not a probability.
NVD base score
9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2022-08-29 05:38Z4 YR AGO
Last updated
2024-08-03 07:46Z2 YR AGO
Reserved
2022-06-08
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Critical (CVSS 10.0)
CNA CVSS vector
CVSS:3.1/AC:L/AV:N/A:H/C:H/I:H/PR:N/S:C/UI:N
Weaknesses
  • CWE-120Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')Base
Data version
5.1
Document digest
17e05ac35be119b71957bc42ebfb19d1d39b525d61408a8854926139273e5a47

05 Affected products

VendorProductVersionsPlatforms
draytekvigor1000bNot specified—
draytekvigor1000b_firmwareNot specified—
draytekvigor165Not specified—
draytekvigor165_firmwareNot specified—
draytekvigor166Not specified—
draytekvigor166_firmwareNot specified—
draytekvigor2133Not specified—
draytekvigor2133_firmwareNot specified—
draytekvigor2133acNot specified—
draytekvigor2133ac_firmwareNot specified—
draytekvigor2133fvacNot specified—
draytekvigor2133fvac_firmwareNot specified—
draytekvigor2133nNot specified—
draytekvigor2133n_firmwareNot specified—
draytekvigor2133vacNot specified—
draytekvigor2133vac_firmwareNot specified—
draytekvigor2135Not specified—
draytekvigor2135_firmwareNot specified—
draytekvigor2135acNot specified—
draytekvigor2135ac_firmwareNot specified—
draytekvigor2135fvacNot specified—
draytekvigor2135fvac_firmwareNot specified—
draytekvigor2135vacNot specified—
draytekvigor2135vac_firmwareNot specified—
draytekvigor2620lNot specified—
draytekvigor2620l_firmwareNot specified—
draytekvigor2620lnNot specified—
draytekvigor2620ln_firmwareNot specified—
draytekvigor2762Not specified—
draytekvigor2762_firmwareNot specified—
draytekvigor2762acNot specified—
draytekvigor2762ac_firmwareNot specified—
draytekvigor2762nNot specified—
draytekvigor2762n_firmwareNot specified—
draytekvigor2762vacNot specified—
draytekvigor2762vac_firmwareNot specified—
draytekvigor2765Not specified—
draytekvigor2765_firmwareNot specified—
draytekvigor2765acNot specified—
draytekvigor2765ac_firmwareNot specified—
draytekvigor2765vacNot specified—
draytekvigor2765vac_firmwareNot specified—
draytekvigor2766Not specified—
draytekvigor2766_firmwareNot specified—
draytekvigor2766acNot specified—
draytekvigor2766ac_firmwareNot specified—
draytekvigor2766vacNot specified—
draytekvigor2766vac_firmwareNot specified—
draytekvigor2832Not specified—
draytekvigor2832_firmwareNot specified—
draytekvigor2862Not specified—
draytekvigor2862_firmwareNot specified—
draytekvigor2862acNot specified—
draytekvigor2862ac_firmwareNot specified—
draytekvigor2862bNot specified—
draytekvigor2862b_firmwareNot specified—
draytekvigor2862bnNot specified—
draytekvigor2862bn_firmwareNot specified—
draytekvigor2862lNot specified—
draytekvigor2862l_firmwareNot specified—

76 further entries not shown. The complete list is in the raw JSON document.

06 References