TOTOLINK CA300-PoE cstecgi.cgi setWiFiMultipleConfig buffer overflow
CVSS score
9.4
EPSS probability
—
Risk score
0.9
Published
51 min ago
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Impact on My Inventory
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Vulnerability description
DayBreach AI Explanation
Verified against sourcesSources read
1
Source agreement
Tam uyum
Evidence confidence
%55
Short explanation
A security flaw has been discovered in TOTOLINK CA300-PoE 6.2c.884 affecting the setWiFiMultipleConfig function of the /cgi-bin/cstecgi.cgi file. Manipulation of the Key1Str1 argument results in a buffer overflow. An exploit has been publicly released.
This remotely initiated critical vulnerability carries high severity and a public exploit. The unknown patch status introduces ongoing security risks.
What should be done?
- Follow official vendor advisories
- Check for vendor updates
Chain of evidence and sources
TOTOLINK CA300-PoE 6.2c.884 sürümündeki setWiFiMultipleConfig fonksiyonu arabellek taşmasına karşı savunmasızdır.
Söz konusu açık için hazırlanan istismar kamuya açıklanmıştır.
Show the technical text from the sources
A security flaw has been discovered in TOTOLINK CA300-PoE 6.2c.884. This impacts the function setWiFiMultipleConfig of the file /cgi-bin/cstecgi.cgi. Performing a manipulation of the argument Key1Str1 results in buffer overflow. The attack can be initiated remotely. The exploit has been released to the public and may be used for attacks.
CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P
CWE: CWE-120, CWE-119
This explanation was compiled automatically from the source records. Scores, active exploitation, patch and exploit status come straight from the sources.
IMPACT: Affected Products and Software
Affected Products
The following products are affected by CVE-2026-124057 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.
| ID | VENDOR | PRODUCT | ACTION |
|---|---|---|---|
| 1 | totolink | CA300-PoE | View |
RED HAT CSAF/VEX: Product Impact Check
SCORING: CVSS from Multiple Sources
CVSS Scores
The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.
| SCORE | VERSION | SEVERITY | VECTOR | SOURCE |
|---|---|---|---|---|
| 9.4 | CVSS V4_0 | CRITICAL | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:P | CVE CNA |
| 9.1 | CVSS V3_1 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C | CVE CNA |
| 9.1 | CVSS V3_0 | CRITICAL | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H/E:P/RL:X/RC:C | CVE CNA |
| 8.3 | CVSS V2_0 | — | AV:N/AC:L/Au:M/C:C/I:C/A:C/E:POC/RL:ND/RC:C | CVE CNA |
Patch and Remediation Guide
Solution & Remediation Advisory
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Public exploit and active exploitation status
Verified exploit intelligence
No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.
Weakness Classification and Attack Patterns (CWE & CAPEC)
CWE - Common Weakness Enumeration
While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-124057 is associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-124057 weaknesses.
Attack Vector and Accessibility
Official Sources and Advisories
Similar Vulnerabilities
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