CVE-2026-1157

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It is possible to launch the attack remotely. The exploit is publicly available and might be used."}, {"lang": "es", "value": "Se identific\u00f3 una vulnerabilidad en Totolink LR350 9.3.5u.6369_B20220309. Esto afecta a la funci\u00f3n setWiFiEasyCfg del archivo /cgi-bin/cstecgi.cgi. Dicha manipulaci\u00f3n del argumento ssid conduce a un desbordamiento de b\u00fafer. Es posible lanzar el ataque de forma remota. El exploit est\u00e1 disponible p\u00fablicamente y podr\u00eda ser utilizado."}], "id": "CVE-2026-1157", "lastModified": "2026-06-17T10:15:14.007", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "COMPLETE", "baseScore": 9.0, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 7.4, "baseSeverity": "HIGH", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/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:X", "version": "4.0", "vulnAvailabilityImpact": "HIGH", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-1157", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-01-20T21:32:23.129511Z", "version": "2.0.3"}}]}, "published": "2026-01-19T14:15:50.140", "references": [{"source": "cna@vuldb.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://lavender-bicycle-a5a.notion.site/TOTOLINK-LR350-setWiFiEasyCfg-2e453a41781f80b7b53cef33c6a782aa?source=copy_link"}, {"source": "cna@vuldb.com", "tags": ["Permissions Required", "VDB Entry"], "url": "https://vuldb.com/?ctiid.341751"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?id.341751"}, {"source": "cna@vuldb.com", "tags": ["Third Party Advisory", "VDB Entry"], "url": "https://vuldb.com/?submit.735726"}, {"source": "cna@vuldb.com", "tags": ["Product"], "url": "https://www.totolink.net/"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}, {"lang": "en", "value": "CWE-120"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-18T05:13:55.375708+00:00", "value": {"mitigation_remediation": ["Obtain and install the latest Totolink firmware revision that addresses the setWiFiEasyCfg buffer overflow.", "Configure the network firewall or router ACL to block or restrict external access to the /cgi-bin/cstecgi.cgi endpoint.", "Monitor router logs for anomalous ssid configuration attempts and quarantine any source IPs initiating repeated or malformed requests."], "summary": {"action": "Assess Impact", "impact": "Remote Potential Code Execution via Buffer Overflow"}, "threat_synthesis": {"affected_systems": "Totolink LR350 routers running firmware 9.3.5u.6369_B20220309 are affected. No other firmware versions are listed as vulnerable.", "description_and_impact": "A buffer overflow exists in the setWiFiEasyCfg function of /cgi-bin/cstecgi.cgi on Totolink LR350. Manipulating the ssid argument can corrupt memory and potentially allow an attacker to execute arbitrary code on the device, compromising confidentiality, integrity, and availability. The flaw is identified as CWE-119 and CWE-120.", "risk_and_exploitability": "The vulnerability has a CVSS score of 8.7, indicating high severity. EPSS is below 1\u202f%, which suggests a low exploitation probability, but the exploit is publicly available and may already be in use. The flaw is not in the CISA KEV catalog; nevertheless, attackers can reach it remotely through web requests, making the risk significant for devices exposed to the internet."}}}}, "created": "2026-01-20T08:43:33.514739+00:00", "updated": "2026-04-18T05:15:15.987656+00:00", "vendors": ["totolink", "totolink$PRODUCT$lr350"]}