CVE-2021-42887: totolink ex1200t_firmware
CVSS: 9.8v3.1CriticalModified
Published 03-06-2022Last modified 04-08-2024
Vulnerability summary
CVE-2021-42887 is a critical (CVSS 9.8) vulnerability in totolink ex1200t_firmware. EPSS estimates a 44.29% chance of exploitation in the next 30 days, higher than 98.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
44.29%
0%100%
High · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Timeline
- 03-06-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
In TOTOLINK EX1200T V4.1.2cu.5215, an attacker can bypass login by sending a specific request through formLoginAuth.htm.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
44.29%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
0.00 pp
From 44.29% on 21-09-2026
21-09-202621-10-2026
EPSS score44.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundVuln
Maturity: poc
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Totolink1 product
- ex1200t_firmware4.1.2cu.5215
1 vendor · 1 product
References
1 links- github.com/p1Kk/vuln/blob/main/totolink_ex1200t_login_bypass.mdX Refsource MISCExploitThird Party Advisory