CVE-2025-4270
High PUBLISHEDTOTOLINK A720R Config cstecgi.cgi information disclosure
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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. Es wurde eine problematische Schwachstelle in TOTOLINK A720R 4.1.5cu.374 ausgemacht. Betroffen hiervon ist ein unbekannter Ablauf der Datei /cgi-bin/cstecgi.cgi der Komponente Config Handler. Dank Manipulation des Arguments topicurl mit der Eingabe getInitCfg/getSysStatusCfg mit unbekannten Daten kann eine information disclosure-Schwachstelle ausgenutzt werden. Umgesetzt werden kann der Angriff über das Netzwerk. Der Exploit steht zur öffentlichen Verfügung.
- CVE Published
- May 05, 2025
- Exploitation Reported
- May 05, 2025
- CVSS
- 6.9 Medium
- EPSS
- —
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| TOTOLINK |
A720R
|
4.1.5cu.374 |
Affected |
CVE References
- Submit #563442 | TOTOLINK A720R V4.1.5cu.374 Exposure of Sensitive System Information to an Unauthorized Cont vuldb.com · Third-Party Advisory https://vuldb.com/?submit.563442
- GitHub — at0de/my_vulns github.com · Exploit https://github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/getSysStat...
- VDB-307374 | TOTOLINK A720R Config cstecgi.cgi information disclosure vuldb.com · Technical Description https://vuldb.com/?id.307374
- Product — totolink.net totolink.net · Product https://www.totolink.net/
- VDB-307374 | CTI Indicators (IOB, IOC, TTP, IOA) vuldb.com · Signature https://vuldb.com/?ctiid.307374
Show 1 more reference
- GitHub — at0de/my_vulns github.com · Related https://github.com/at0de/my_vulns/blob/main/TOTOLINK/A720R/getInitCfg.md
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| The Shadowserver First | 2025-05-05 07:31 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
AV:N/AC:L/Au:N/C:P/I:N/A:N
Exploitation Status
Exploited in the wild
Recorded 2025-05-05 07:31:07 UTC · The Shadowserver
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
07:31 UTC about 1 year ago07:31 UTC · about 1 year ago
CVE published
Vulnerability disclosed publicly
-
07:31 UTC about 1 year ago07:31 UTC · about 1 year ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
18:24 UTC about 1 year ago18:24 UTC · about 1 year ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2025-4270
{
"cve_id": "CVE-2025-4270",
"title": "TOTOLINK A720R Config cstecgi.cgi information disclosure",
"affected_vendor": "TOTOLINK",
"affected_product": "A720R",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 6.9,
"epss_score": null,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}