CVE-2022-26414: zyxel ax7501-b0_firmware Classic Buffer Overflow
CVSS: 6.0v3.1MediumModified
Published 11-04-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-26414 is a medium (CVSS 6.0) Classic Buffer Overflow vulnerability in zyxel ax7501-b0_firmware. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.3% of scored vulnerabilities.
CVSS score
6.0/10
010
Medium · v3.1 (CVE.org)EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-04-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
A potential buffer overflow vulnerability was identified in some internal functions of Zyxel VMG3312-T20A firmware version 5.30(ABFX.5)C0, which could be exploited by a local authenticated attacker to cause a denial of service.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.0Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:H/A:HSources2 sources · 5.5–6.0
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
Medium 4.9Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:N/I:N/A:CSourcesSingle source
EPSS trend
Probability
0.21%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
0.00 pp
From 0.21% on 20-09-2026
20-09-202620-10-2026
EPSS score0.21%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Zyxel33 products
- ax7501-b0_firmware< 5.17\(abpc.1\)c0
- dx5401-b0_firmware< 5.17\(abyo.1\)c0
- emg3525-t50b_firmware< 5.50\(abpm.6\)c0
- emg5523-t50b_firmware< 5.50\(abpm.6\)c0
- emg5723-t50k_firmware< 5.50\(abom.7\)c0
1 vendor · 33 products
References
1 links- www.zyxel.com/support/OS-command-injection-and-buffer-overflow-vulnerabilities-of-CPE-and-ONTs.shtmlX Refsource CONFIRMVendor Advisory