CVE-2022-48121: totolink a7100ru_firmware OS Command Injection
CVSS: 9.8v3.1CriticalModified
Published 20-01-2023Last modified 03-04-2025
Vulnerability summary
CVE-2022-48121 is a critical (CVSS 9.8) OS Command Injection vulnerability in totolink a7100ru_firmware. EPSS estimates a 1.96% chance of exploitation in the next 30 days, higher than 80.1% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.96%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 20-01-2023PublishedVulnerability first disclosed.
- 03-04-2025Last modifiedVulnerability information updated.
Description
TOTOlink A7100RU V7.4cu.2313_B20191024 was discovered to contain a command injection vulnerability via the rsabits parameter in the setting/delStaticDhcpRules 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
1.96%
Chance of exploitation in the next 30 days
Percentile
80%
Versus all other CVEs
30-day change
0.00 pp
From 1.96% on 21-09-2026
21-09-202621-10-2026
EPSS score1.96%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundTtt
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Totolink1 product
- a7100ru_firmware7.4cu.2313_b20191024
1 vendor · 1 product