{"id":"CVE-2026-36698","kind":"vulnerability","aliases":["CVE-2026-36698"],"related":[],"title":"Xovis APS sensors: parameter import lets an attacker run commands as root","description":"Xovis AG APS-R-POE, APS-R-POE-PP, APS-R, APS-R-POE-USB, and APS-B 2.10.1.1 and earlier contains an OS command injection vulnerability in /sbin/ImportParamSet.sh. The script processes symlinks from uploaded parameter archive files and embeds the symlink target path into a shell command without quoting or sanitization. The command is executed as root via APC_SendMsg IPC.","summary":"Xovis APS-R and APS-B sensors running firmware 2.10.1.1 and earlier pass symlink targets from uploaded parameter archives straight into a shell command. An attacker who can upload a crafted archive can run arbitrary OS commands as root on the device.","severity":"high","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["aps-sensors","firmware","infrastructure","iot","xovis"],"not_affected_if":["firmware-newer-than-2.10.1.1"],"how_to_check":"- Check the installed firmware version on each Xovis APS-R-POE, APS-R-POE-PP, APS-R, APS-R-POE-USB or APS-B device against `2.10.1.1`\n- Confirm whether the parameter import feature is reachable from your network (unknown from the sources)","fix":"- Update Xovis APS-R-POE, APS-R-POE-PP, APS-R, APS-R-POE-USB and APS-B devices to a firmware release newer than `2.10.1.1` (the fixed version is unknown from the sources)\n- Restrict access to the device's parameter import interface to trusted administrators until updated","status":"open","published_at":"2026-10-26T15:16:40+00:00","first_seen_at":"2026-10-26T16:02:25+00:00","triaged_at":"2026-10-26T16:04:14+00:00","updated_at":"2026-10-26T16:04:14+00:00","category":"infrastructure","confidence":0.6,"triage":{"at":"2026-10-26T16:04:14Z","model":"claude-haiku-5-5","output":{"fix":"- Update Xovis APS-R-POE, APS-R-POE-PP, APS-R, APS-R-POE-USB and APS-B devices to a firmware release newer than `2.10.1.1` (the fixed version is unknown from the sources)\n- Restrict access to the device's parameter import interface to trusted administrators until updated","reach":"unknown","title":"Xovis APS sensors: parameter import lets an attacker run commands as root","impact":"high","summary":"Xovis APS-R and APS-B sensors running firmware 2.10.1.1 and earlier pass symlink targets from uploaded parameter archives straight into a shell command. An attacker who can upload a crafted archive can run arbitrary OS commands as root on the device.","category":"infrastructure","nicknames":[],"who_cares":["xovis","aps-sensors","iot","firmware"],"confidence":0.6,"needs_auth":"unknown","worst_case":"Attacker runs arbitrary commands as root on the sensor","analyst_note":"Check the Xovis advisory for the fixed firmware version and whether the parameter upload needs authentication; source is NVD only.","how_to_check":"- Check the installed firmware version on each Xovis APS-R-POE, APS-R-POE-PP, APS-R, APS-R-POE-USB or APS-B device against `2.10.1.1`\n- Confirm whether the parameter import feature is reachable from your network (unknown from the sources)","needs_analyst":true,"not_affected_if":["firmware-newer-than-2.10.1.1"],"who_is_affected":"Operators running Xovis APS-R-POE, APS-R-POE-PP, APS-R, APS-R-POE-USB or APS-B sensors at firmware 2.10.1.1 or earlier. The flaw is in the parameter archive import path, so devices where no one can upload parameter files are less exposed; the sources do not say which network exposure is required.","user_interaction":"no","needs_special_setup":"unknown","severity_if_unknown":"high"},"cost_usd":0.000687,"input_tokens":3391,"output_tokens":696,"severity_before":"unknown"},"analyst_status":null,"analyst_note":null,"search":"'-2026':14A,17A '-36698':15A,18A '/sbin/importparamset.sh':103C '2.10.1.1':37B,93C 'ag':71C 'ap':2A,20B,28B,32B,73C,77C,82C,85C,91C 'apc':134C 'aps-b':31B,90C 'aps-r':27B,81C 'aps-r-po':72C 'aps-r-poe-pp':76C 'aps-r-poe-usb':84C 'aps-sensor':19B 'arbitrari':62B 'archiv':46B,59B,111C 'attack':8A,53B 'b':33B,92C 'command':10A,51B,64B,99C,122C,128C 'contain':96C 'craft':58B 'cve':13A,16A 'devic':69B 'earlier':39B,95C 'emb':114C 'execut':130C 'file':112C 'firmwar':22B,36B 'import':5A 'infrastructur':23B 'inject':100C 'iot':24B 'ipc':136C 'let':6A 'os':63B,98C 'paramet':4A,45B,110C 'pass':40B 'path':118C 'poe':75C,79C,87C 'pp':80C 'process':106C 'quot':124C 'r':29B,74C,78C,83C,86C 'root':12A,66B,132C 'run':9A,35B,61B 'sanit':126C 'script':105C 'sendmsg':135C 'sensor':3A,21B,34B 'shell':50B,121C 'straight':47B 'symlink':41B,107C,116C 'target':42B,117C 'upload':44B,56B,109C 'usb':88C 'via':133C 'vulner':101C 'without':123C 'xovi':1A,25B,26B,70C","nicknames":[],"mitigations":[],"who_affected":"Operators running Xovis APS-R-POE, APS-R-POE-PP, APS-R, APS-R-POE-USB or APS-B sensors at firmware 2.10.1.1 or earlier. The flaw is in the parameter archive import path, so devices where no one can upload parameter files are less exposed; the sources do not say which network exposure is required.","tier":"B","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-26T15:16:40+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-36698","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-36698","severity":null,"published_at":"2026-10-26T15:16:40+00:00","modified_at":"2026-10-26T15:16:40+00:00","first_seen_at":"2026-10-26T16:02:25+00:00","fetched_at":"2026-10-26T16:02:25+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"}