CVE-2022-44362: tenda i21_firmware Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
Published 02-12-2022Last modified 24-04-2025
Vulnerability summary
CVE-2022-44362 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in tenda i21_firmware. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.97%
0%100%
Low · +0.04 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 02-12-2022PublishedVulnerability first disclosed.
- 24-04-2025Last modifiedVulnerability information updated.
Description
Tenda i21 V1.0.0.14(4656) is vulnerable to Buffer Overflow via /goform/AddSysLogRule.
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
0.97%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
+0.04 pp
From 0.94% on 21-09-2026
21-09-202621-10-2026
EPSS score0.97%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundCve Vulns
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Tenda1 product
- i21_firmware1.0.0.14\(4656\)
1 vendor · 1 product
References
1 links- github.com/Double-q1015/CVE-vulns/blob/main/Tenda/i21/formAddSysLogRule/readme.mdExploitThird Party Advisory