CVE-2025-4270: totolink a720r_firmware
Vulnerability summary
CVE-2025-4270 is a high (CVSS 7.5) vulnerability in totolink a720r_firmware. EPSS estimates a 14.03% chance of exploitation in the next 30 days, higher than 96.5% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 05-05-2025PublishedVulnerability first disclosed.
- 05-05-2025Last modifiedVulnerability information updated.
Description
A vulnerability was found in TOTOLINK A720R 4.1.5cu.374. It has been classified as problematic. Affected is an unknown function of the file /cgi-bin/cstecgi.cgi of the component Config Handler. The manipulation of the argument topicurl with the input getInitCfg/getSysStatusCfg leads to information disclosure. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
CVSS metrics
7 scores · 2 sources · 4 versions- NVDNIST6.9MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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:X
- CVE.orgCNA5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:NDiffers
- NVDNIST5.0MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
EPSS trend
Probability
14.03%
Chance of exploitation in the next 30 days
Percentile
97%
Versus all other CVEs
30-day change
+0.91 pp
From 13.13% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundMy Vulns
Maturity: poc
Weaknesses
CWE · root cause- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-284Improper Access ControlThe product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Affected systems
Totolink1 product
- a720r_firmware4.1.5cu.374
1 vendor · 1 product
References
6 links- www.totolink.netProduct