CVE-2026-7633: totolink n300rh_firmware External Control of File Name or Path
Vulnerability summary
CVE-2026-7633 is a medium (CVSS 6.9) External Control of File Name or Path vulnerability in totolink n300rh_firmware. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.9% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 02-05-2026PublishedVulnerability first disclosed.
- 04-05-2026Last modifiedVulnerability information updated.
Description
A vulnerability was identified in Totolink N300RH 6.1c.1353_B20190305. This impacts the function setUploadSetting of the file /cgi-bin/cstecgi.cgi. Such manipulation of the argument FileName leads to file inclusion. The attack may be performed from remote. The exploit is publicly available and might be used.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST5.5MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:XDiffers
- NVDNIST6.5MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
- NVDNIST6.4MediumAV:N/AC:L/Au:N/C:N/I:P/A:P
EPSS trend
Probability
0.53%
Chance of exploitation in the next 30 days
Percentile
44%
Versus all other CVEs
30-day change
+0.21 pp
From 0.33% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundIot Poc
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Totolink1 product
- n300rh_firmware6.1c.1353_B20190305
1 vendor · 1 product
References
5 links- vuldb.com/submit/806597Third Party Advisory
- www.totolink.netProduct