CVE-2022-43103: tenda ac23_firmware Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
Published 03-11-2022Last modified 05-05-2025
Vulnerability summary
CVE-2022-43103 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tenda ac23_firmware. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 62.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.99%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 03-11-2022PublishedVulnerability first disclosed.
- 05-05-2025Last modifiedVulnerability information updated.
Description
Tenda AC23 V16.03.07.45_cn was discovered to contain a stack overflow via the list parameter in the formSetQosBand function.
CVSS metrics
2 scores · 2 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.99%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
+0.02 pp
From 0.97% on 21-09-2026
21-09-202621-10-2026
EPSS score0.99%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundIot Firmware
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tenda1 product
- ac23_firmware16.03.07.45_cn
1 vendor · 1 product