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-2026-76870

Netcore NR255-V version 1.5.130703 contains an out-of-bounds read vulnerability in the mtd_write pre-flash validation routine. An attacker with low privileges can upload a truncated firmware image via put_file_cgi.c , triggering out-of-bounds reads across main.c , check_image_uuid.c , and oemMD5U...

CVE-2026-76870 Netcore NR255-V 1.5.130703 Out-of-Bounds Read in mtd_write Firmware Upload Validation

Netcore NR255-V version 1.5.130703 contains an out-of-bounds read vulnerability in the mtdwrite pre-flash validation routine triggered by short firmware uploads. Attackers can upload a truncated firmware image via putfilecgi.c to trigger out-of-bounds reads across main.c, checkimageuuid.c, and...

CVE-2026-76870 Netcore NR255-V 1.5.130703 Out-of-Bounds Read in mtd_write Firmware Upload Validation

Netcore NR255-V version 1.5.130703 contains an out-of-bounds read vulnerability in the mtdwrite pre-flash validation routine triggered by short firmware uploads. Attackers can upload a truncated firmware image via putfilecgi.c to trigger out-of-bounds reads across main.c, checkimageuuid.c, and...

CVE-2026-76869 Netcore NR255-V 1.5.130703 Stack-Based Buffer Overflow in reboot_timer_set.cgi

Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in reboottimerset.cgi caused by improper sscanf token parsing. Attackers can exploit this flaw by submitting crafted input to the affected endpoint to corrupt stack memory...

CVE-2026-76869 Netcore NR255-V 1.5.130703 Stack-Based Buffer Overflow in reboot_timer_set.cgi

Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in reboottimerset.cgi caused by improper sscanf token parsing. Attackers can exploit this flaw by submitting crafted input to the affected endpoint to corrupt stack memory...

CVE-2026-76869

Netcore NR255-V version 1.5.130703 contains a stack-based buffer overflow in the reboot_timer_set.cgi endpoint, caused by improper sscanf token parsing . An attacker with authenticated access can submit crafted input to corrupt stack memory, potentially leading to code execution or service disrup...

CVE-2026-76868 Netcore NR255-V 1.5.130703 NULL Pointer Dereference in route_policy_add.cgi via Missing exit_port

Netcore NR255-V version 1.5.130703 contains a null pointer dereference vulnerability in routepolicyadd.cgi caused by a missing exitport parameter. Attackers can send requests lacking the exitport field to trigger the null pointer dereference, resulting in a denial of service...

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-2026-76868 Netcore NR255-V 1.5.130703 NULL Pointer Dereference in route_policy_add.cgi via Missing exit_port

Netcore NR255-V version 1.5.130703 contains a null pointer dereference vulnerability in routepolicyadd.cgi caused by a missing exitport parameter. Attackers can send requests lacking the exitport field to trigger the null pointer dereference, resulting in a denial of service...

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-2026-76868

Netcore NR255-V version 1.5.130703 is affected by a null pointer dereference in route_policy_add.cgi , triggered when a request omits the exit_port parameter. An authenticated attacker (high privileges required) can send a crafted request to cause a denial of service . The vulnerability is rated ...

CVE-2026-76866 Netcore NR255-V 1.5.130703 OS Command Argument Injection via Unquoted DDNS Parameters

Netcore NR255-V firmware version 1.5.130703 builds root-run command lines from unquoted user-supplied DDNS input in DDNSsetcgi.c and related ddnsProc.c components, enabling os command argument injection. Attackers can exploit the unsanitized parameters to inject additional command arguments...

CVE-2026-76866 Netcore NR255-V 1.5.130703 OS Command Argument Injection via Unquoted DDNS Parameters

Netcore NR255-V firmware version 1.5.130703 builds root-run command lines from unquoted user-supplied DDNS input in DDNSsetcgi.c and related ddnsProc.c components, enabling os command argument injection. Attackers can exploit the unsanitized parameters to inject additional command arguments...

CVE-2026-76866

Netcore NR255-V router firmware version 1.5.130703 is affected by an OS command argument injection vulnerability in its DDNS functionality. The DDNSset_cgi.c and related ddns_Proc.c components construct root-run command lines from unquoted user-supplied DDNS input, allowing an authenticated attac...

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-2026-76865

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 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...