CVE-2026-76865

Netcore NR255-V (version 1.5.130703) is affected by a null pointer dereference in its QoS setter CGI handlers, specifically filter_conn_del_cgi.c and gre_prio_set_cgi.c , caused by unchecked atoi() results. An attacker with high-level privileges can supply crafted input to these handlers to trigg...

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-2026-76863

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in the mod_qos_bandwidth plan.json handling, specifically within filter_conns_dump_cgi.c and IGD_CgiCall.c. Authenticated users with broad roles can access QoS read routes to obtain live network telemetry...

CVE-2026-76863 Netcore NR255-V 1.5.130703 Sensitive Information Disclosure via QoS Bandwidth Plan Routes

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in the modqosbandwidth plan.json handling within filterconnsdumpcgi.c and IGDCgiCall.c. Authenticated users with broad roles can access these QoS read routes to obtain live network telemetry beyond their...

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-2026-76862

Netcore NR255-V (version 1.5.130703) is affected by an OS command argument injection vulnerability in the Nettools tcpdump launch paths , specifically the ntools_start_set_cgi, ntools_tcpdump_start_set_cgi, exe_default, and ntools_proc components. An authenticated attacker (low privileges) can in...

CVE-2026-76862 Netcore NR255-V 1.5.130703 OS Command Argument Injection in Nettools tcpdump Launch Paths

Netcore NR255-V version 1.5.130703 contains an os command argument injection vulnerability in the Nettools tcpdump launch paths, including ntoolsstartsetcgi, ntoolstcpdumpstartsetcgi, exedefault, and ntoolsproc components. Attackers can inject crafted arguments into these tcpdump launch routines ...

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-2026-76860 Netcore NR255-V 1.5.130703 Stack-Based Buffer Overflow in wake_up_set.cgi via MAC and ID Tokenization

Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in wakeupset.cgi caused by unbounded tokenization of MAC and ID input. Attackers can supply crafted MAC and ID values to the affected endpoint to overflow the stack buffer and corrupt program memory...

CVE-2026-76860

Netcore NR255-V version 1.5.130703 is affected by a stack-based buffer overflow in the wake_up_set.cgi endpoint. The root cause is unbounded tokenization of MAC and ID input , allowing a network attacker with low privileges to supply crafted values that overflow the stack buffer and corrupt progr...

CVE-2026-76859

Netcore NR255-V version 1.5.130703 is affected by a sensitive information disclosure vulnerability in the user_pass_show.cgi component. Low-privilege attackers can leverage ui_config_2.xml and misc.js to disclose router credentials, resulting in a high confidentiality impact with no integrity or ...

CVE-2026-76859 Netcore NR255-V 1.5.130703 Sensitive Information Disclosure via user_pass_show.cgi

Netcore NR255-V version 1.5.130703 contains a sensitive information disclosure vulnerability in the userpassshow.cgi component. Low-privilege attackers can exploit this flaw via uiconfig2.xml and misc.js to disclose router credentials...

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-2026-76858

Netcore NR255-V version 1.5.130703 is affected by a stored cross-site scripting (XSS) vulnerability in ddns_wan_list_show.cgi , caused by unsafe use of eval() to process DDNS data. An attacker with access to the DDNS configuration path can inject a malicious script that executes persistently when...

CVE-2026-76858 Netcore NR255-V 1.5.130703 Stored Cross-Site Scripting via DDNS eval() in ddns_wan_list_show.cgi

Netcore NR255-V version 1.5.130703 contains a stored cross-site scripting vulnerability in ddnswanlistshow.cgi caused by unsafe eval handling of DDNS data. Attackers can inject malicious script through the DDNS configuration path, leading to persistent execution when the affected page is viewed...

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,...

CVE-2026-76855 Netcore NR255-V 1.5.130703 Cross-User Session Disclosure via Audit Endpoints

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-2026-76854 Netcore NR255-V 1.5.130703 Sensitive Information Disclosure via l7_web_auth_user_show.cgi

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...