CVE-2026-76861

Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in ntoolstcpdumpstartset.cgi caused by an unsized sprintf call when processing form values. An attacker can submit crafted input to this cgi endpoint to overflow the stack buffer and potentially execute arbitrary code...

CVE-2026-76857

Netcore NR255-V firmware version 1.5.130703 contains a sensitive information disclosure vulnerability in the ddnswanlistshow.cgi endpoint and related DDNSsetcgi, IGDGetCgiHandler, and IGDCgiCall components. Attackers who reach this CGI handler can obtain plaintext DDNS credentials, exposing...

CVE-2026-76855

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in the audit endpoints handled by l7webauthlogdumpcgi.c, auditgetcgi.c, and moddispatchauth/plan.json. Attackers can query these audit components to obtain other users' session and browsing history data...

CVE-2026-76853

Netcore NR268 firmware version 1.7.121109 contains a security check bypass vulnerability in the parameputfile.cgi restore archive prefix validation. Attackers can exploit the flawed prefix check in putparamefilecgi.c to bypass restricted restore archive handling...

CVE-2026-76854

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in l7webauthusershow.cgi related to captive-portal credential handling. Attackers can query this component to obtain captive-portal user credentials, compromising confidentiality of authenticated network...

CVE-2026-76872

Netcore NR255-V firmware version 1.5.130703 contains a stored cross-site scripting (XSS) vulnerability in its DHCP static IP and IP ACL management pages. The affected CGI components are dhcp_add_staticip_cgi , dhcp_staticip_show_cgi , ip_acl_set_cgi , and ip_acl_show_cgi . An attacker with low pr...

CVE-2026-76872 Netcore NR255-V 1.5.130703 Stored Cross-Site Scripting via DHCP/ACL Management Pages

Netcore NR255-V version 1.5.130703 contains a stored cross-site scripting vulnerability in DHCP static IP and IP ACL management pages, including dhcpaddstaticipcgi, dhcpstaticipshowcgi, ipaclsetcgi, and ipaclshowcgi. Attackers can inject persistent malicious scripts through these components to...

CVE-2026-76871

Netcore NR255-V router, version 1.5.130703 , is affected by a sensitive information disclosure vulnerability spanning four components: mod_vpn_remote/plan.json , pptpd_user_show.cgi , pptp_client_config_show.cgi , and l2tpd_user_show.cgi . An attacker with low privileges over the network can leve...

CVE-2026-76871 Netcore NR255-V 1.5.130703 Sensitive Information Disclosure via VPN Read Handlers

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in modvpnremote/plan.json, pptpdusershow.cgi, pptpclientconfigshow.cgi, and l2tpdusershow.cgi. Attackers can leverage these components to obtain PPTP and L2TP VPN credentials...

CVE-2026-76867 Netcore NR255-V 1.5.130703 Stored Cross-Site Scripting in Route/NAT Configuration CGI Handlers

Netcore NR255-V firmware version 1.5.130703 contains a stored cross-site scripting vulnerability in routing and NAT configuration CGI components including routingtabaddcgi, routingtablelistshowcgi, routepolicyaddcgi, and routepolicyparameshowcgi. Attackers can inject persistent script payloads...

CVE-2026-76867 Netcore NR255-V 1.5.130703 Stored Cross-Site Scripting in Route/NAT Configuration CGI Handlers

Netcore NR255-V firmware version 1.5.130703 contains a stored cross-site scripting vulnerability in routing and NAT configuration CGI components including routingtabaddcgi, routingtablelistshowcgi, routepolicyaddcgi, and routepolicyparameshowcgi. Attackers can inject persistent script payloads...

CVE-2026-76867

Netcore NR255-V (firmware 1.5.130703 ) is affected by a stored cross-site scripting (XSS) vulnerability in four routing and NAT configuration CGI handlers: routing_tab_add_cgi , routing_table_list_show_cgi , route_policy_add_cgi , and route_policy_parame_show_cgi . Attackers with low privileges c...

CVE-2026-76865 Netcore NR255-V 1.5.130703 NULL Pointer Dereference via Unchecked atoi() in QoS Setter Handlers

Netcore NR255-V version 1.5.130703 contains a null pointer dereference vulnerability in the QoS setter CGI handlers filterconndelcgi.c and grepriosetcgi.c due to unchecked atoi results. An attacker can trigger the flaw by supplying crafted input to these handlers, causing a denial of service...

CVE-2026-76864

Netcore NR255-V version 1.5.130703 suffers from a stored cross-site scripting (XSS) vulnerability in its QoS management interface. QoS rule names are not sanitized before being parsed via eval() in the qos_xianz_add_cgi, qos_xianz_show_cgi, qos_filter_add_cgi, and qos_filter_show_cgi CGI handlers...

CVE-2026-76864 Netcore NR255-V 1.5.130703 Stored Cross-Site Scripting via Unescaped QoS Rule Names

NR255-V version 1.5.130703 fails to sanitize QoS rule names before they are parsed via eval in qosxianzaddcgi, qosxianzshowcgi, qosfilteraddcgi, and qosfiltershowcgi handlers. An attacker can inject persistent script code through crafted QoS rule name input that executes when the stored data is...

CVE-2026-76861 Netcore NR255-V 1.5.130703 Stack-Based Buffer Overflow in ntools_tcpdump_start_set.cgi

Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in ntoolstcpdumpstartset.cgi caused by an unsized sprintf call when processing form values. An attacker can submit crafted input to this cgi endpoint to overflow the stack buffer and potentially execute arbitrary code...

CVE-2026-76861

Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in the ntools_tcpdump_start_set.cgi endpoint, caused by an unsized sprintf call when processing form values. An attacker with low privileges can submit crafted input to this CGI to overflow the stack buffer, potentially ach...

CVE-2026-76857

Netcore NR255-V firmware version 1.5.130703 is affected by a sensitive information disclosure vulnerability in the ddns_wan_list_show.cgi endpoint and related components (DDNSset_cgi, IGD_GetCgiHandler, IGD_CgiCall). An authenticated low-privilege attacker who reaches this CGI handler can obtain ...

CVE-2026-76857 Netcore NR255-V 1.5.130703 Plaintext DDNS Credential Disclosure via ddns_wan_list_show.cgi

Netcore NR255-V firmware version 1.5.130703 contains a sensitive information disclosure vulnerability in the ddnswanlistshow.cgi endpoint and related DDNSsetcgi, IGDGetCgiHandler, and IGDCgiCall components. Attackers who reach this CGI handler can obtain plaintext DDNS credentials, exposing...

CVE-2026-76856

Netcore NR255-V firmware version 1.5.130703 is affected by a cross-site request forgery (CSRF) vulnerability in the wan_config_set_cgi , wan_num_set_cgi , and lan_ip_change_cgi endpoints. An unauthenticated attacker can craft forged requests that, when triggered by an authenticated administrator,...