CVE-2022-41527: totolink nr1800x_firmware Out-of-bounds Write
CVSS: 8.8v3.1HighModified
Published 06-10-2022Last modified 03-08-2024
Vulnerability summary
CVE-2022-41527 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in totolink nr1800x_firmware. EPSS estimates a 1.04% chance of exploitation in the next 30 days, higher than 63.5% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
1.04%
0%100%
Low · +0.11 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 06-10-2022PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
TOTOLINK NR1800X V9.1.0u.6279_B20210910 was discovered to contain an authenticated stack overflow via the pppoeUser parameter in the setOpModeCfg function.
CVSS metrics
1 score · 1 source · 1 versionHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
EPSS trend
Probability
1.04%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
+0.11 pp
From 0.92% on 21-09-2026
21-09-202621-10-2026
EPSS score1.04%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (brief-nymphea-813.notion.site)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Totolink1 product
- nr1800x_firmware9.1.0u.6279_b20210910
1 vendor · 1 product
References
1 links- brief-nymphea-813.notion.site/NR1800X-bof-setOpModeCfg-2e286823203c405bbdec4305b0924a02ExploitThird Party Advisory