{"id":"CVE-2026-116506","kind":"vulnerability","aliases":["CVE-2026-116506"],"related":[],"title":"TOTOLINK A950RG router: firewall.so command injection allows remote code execution","description":"A vulnerability was determined in TOTOLINK A950RG 4.1.2cu.5268_B20221104. Affected is the function apmib_set of the file firewall.so. This manipulation causes command injection. The attack may be initiated remotely. The exploit has been publicly disclosed and may be utilized.","summary":"TOTOLINK A950RG firmware 4.1.2cu.5268_B20221104 has a command injection flaw in the apmib_set function of firewall.so. A remote attacker can inject operating system commands and run them on the router.","severity":"critical","cvss":9.9,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["firmware","infrastructure","iot","router","totolink"],"not_affected_if":["other-firmware-versions","other-models"],"how_to_check":"- Check the firmware version on the router's admin page or with the vendor tools; compare it to `4.1.2cu.5268_B20221104`\n- unknown","fix":"- unknown","status":"open","published_at":"2026-10-26T21:18:13+00:00","first_seen_at":"2026-10-26T21:20:31+00:00","triaged_at":"2026-10-26T21:21:05+00:00","updated_at":"2026-10-26T21:21:05+00:00","category":"infrastructure","confidence":0.5,"triage":{"at":"2026-10-26T21:21:05Z","model":"claude-haiku-5-5","output":{"fix":"- unknown","reach":"internet","title":"TOTOLINK A950RG router: firewall.so command injection allows remote code execution","impact":"high","summary":"TOTOLINK A950RG firmware 4.1.2cu.5268_B20221104 has a command injection flaw in the apmib_set function of firewall.so. A remote attacker can inject operating system commands and run them on the router.","category":"infrastructure","nicknames":[],"who_cares":["totolink","router","firmware","iot"],"confidence":0.5,"needs_auth":"unknown","worst_case":"Attacker runs arbitrary commands on the router as a remote user","analyst_note":"Confirm the vulnerable request path, whether authentication is required, and whether TOTOLINK has released a fixed firmware; check the NVD entry and TOTOLINK's support site.","how_to_check":"- Check the firmware version on the router's admin page or with the vendor tools; compare it to `4.1.2cu.5268_B20221104`\n- unknown","needs_analyst":true,"not_affected_if":["other-firmware-versions","other-models"],"who_is_affected":"Owners of TOTOLINK A950RG routers running firmware 4.1.2cu.5268_B20221104 are affected, and the sources describe the attack as remote. Devices exposing the admin interface to the internet or to untrusted networks are the highest-risk systems to check. Other TOTOLINK models and other firmware versions are not covered by this entry.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"critical"},"cost_usd":0.000604,"input_tokens":3318,"output_tokens":544,"severity_before":"critical"},"analyst_status":null,"analyst_note":null,"search":"'-116506':13A,16A '-2026':12A,15A '4.1.2':25B,60C 'a950rg':2A,23B,59C 'affect':62C 'allow':7A 'apmib':34B,66C 'attack':41B,78C 'caus':74C 'code':9A 'command':5A,29B,46B,75C 'cu.5268_b20221104':26B,61C 'cve':11A,14A 'determin':56C 'disclos':88C 'execut':10A 'exploit':84C 'file':70C 'firewall.so':4A,38B,71C 'firmwar':17B,24B 'flaw':31B 'function':36B,65C 'infrastructur':18B 'initi':81C 'inject':6A,30B,43B,76C 'iot':19B 'manipul':73C 'may':79C,90C 'oper':44B 'public':87C 'remot':8A,40B,82C 'router':3A,20B,52B 'run':48B 'set':35B,67C 'system':45B 'totolink':1A,21B,22B,58C 'util':92C 'vulner':54C","nicknames":[],"mitigations":[],"who_affected":"Owners of TOTOLINK A950RG routers running firmware 4.1.2cu.5268_B20221104 are affected, and the sources describe the attack as remote. Devices exposing the admin interface to the internet or to untrusted networks are the highest-risk systems to check. Other TOTOLINK models and other firmware versions are not covered by this entry.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T21:18:13+00:00","kev":null,"cvss_vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/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","cvss_by":"cna@vuldb.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-116506","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-116506","severity":null,"published_at":"2026-10-26T21:18:13+00:00","modified_at":"2026-10-26T21:18:13+00:00","first_seen_at":"2026-10-26T21:20:31+00:00","fetched_at":"2026-10-26T21:20:31+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}